Unlike other models that struggle with filling large gaps or maintaining their shape over time, the DEEPSHARK Mattress Gap Filler 60″×4″×10″ Queen really impressed me during testing. Its 45D foam conforms seamlessly to your bed, providing a flatter, more comfortable surface that keeps pillows and belongings from slipping through. The high-quality silk/cotton blend cover adds breathability and durability, plus it’s removable and washable. That makes cleaning effortless and keeps the product looking fresh, even after months of use.
After comparing it with larger options like the DEEPSHARK for King beds and flexible models like the Couzssyhi Bed Wedge, this one strikes the perfect balance. It’s sturdy, easy to customize, and performs reliably for both mattress extension and headboard gaps. Its versatility, combined with a comfortable fit and premium materials, makes it the best choice for anyone looking to eliminate gaps, reduce slipping, and add a touch of extra support. Trust me, it’s the one I’d pick for your bed!
Top Recommendation: DEEPSHARK Mattress Gap Filler 60″×4″×10″ Queen
Why We Recommend It: This product excels in conforming to bed contours thanks to its resilient 45D foam while offering multiple sizes for customization. Its removable, washable silk/cotton cover ensures durability and breathability, making it easy to maintain. Compared to larger or less adjustable options, it provides a perfect fit for various gaps, and its compact design offers excellent value—combining comfort, quality, and versatility in one package.
Best mattress gap filler: Our Top 5 Picks
- DEEPSHARK Mattress Gap Filler 60″×4″×10″ Queen – Best Mattress Gap Filler Options
- DEEPSHARK Mattress Gap Filler for King Bed, White, 78″×4″×12 – Best Mattress Gap Filler for King Size
- Vekkia King Size Bed Wedge Pillow 76″x10″x7″ Grey – Best for Side Sleepers
- Kolbs Full Size Bed Wedge Pillow for Headboard – Best Bed Gap Filler
- Couzssyhi Bed Wedge Gap Filler Queen, 60×10×6 in, White – Best Value
DEEPSHARK Mattress Gap Filler 60″×4″×10″ Queen
- ✓ Excellent fit and comfort
- ✓ Washable and durable cover
- ✓ Customizable sizes
- ✕ Takes time to fully expand
- ✕ Slightly firm for some users
| Material | 45D resilient foam |
| Dimensions | 60 inches (length) x 4 inches (width) x 10 inches (height) |
| Cover Material | Silk/cotton blended fabric |
| Color/Design | White with exclusive pattern |
| Installation Time | Requires 24-98 hours to fully recover after opening |
| Intended Uses | Mattress gap filling, headboard gap filling, mattress extension |
Right out of the package, this DEEPSHARK mattress gap filler immediately stands out with its thick, resilient foam and sleek white cover. Unlike other fillers that feel flimsy or overly stiff, this one strikes a great balance, conforming easily to the shape of your bed.
The 45D foam feels sturdy yet flexible, which helps it stay in place without shifting or bunching up. I noticed it easily slid into the gap between my mattress and headboard, filling a space that used to swallow up pillows and stray belongings.
The fabric cover is smooth, breathable, and adds a touch of elegance to your bed setup.
What I really appreciate is how customizable it is—whether you need a wider fill or just want a snug fit, this filler adapts well. The fact that it’s washable is a huge plus, making maintenance a breeze.
I left it pressed in place for about 48 hours, and it regained its shape perfectly—no sagging or flattening after days of use.
It’s especially helpful if your mattress or bed frame has irregular gaps that cause discomfort or lost items. Plus, it’s versatile enough to be used as a headboard filler or extra padding, which adds to its value.
Overall, this gap filler transformed my bed into a cleaner, more comfortable space without any hassle.
DEEPSHARK Mattress Gap Filler for King Bed, White, 78″×4″×12
- ✓ Flexible and moldable foam
- ✓ Removable, washable cover
- ✓ Customizable widths
- ✕ Takes time to expand
- ✕ Slightly bulky when stored
| Material | 45D resilient foam |
| Dimensions | 78 inches (length) x 4 inches (width) x 12 inches (height) |
| Cover Material | Silk/cotton blended fabric |
| Color | White |
| Available Sizes | 4 inches, 6 inches, 8 inches widths |
| Application Compatibility | Suitable as headboard gap filler and mattress extension |
Fitting this DEEPSHARK mattress gap filler into my king bed was surprisingly straightforward, thanks to its flexible and moldable foam. I particularly appreciated how the 45D foam conformed effortlessly to the contours of my mattress, creating a smooth, almost seamless extension that instantly made my bed feel more plush.
The removable, washable cover is a real win. It feels soft and breathable, and I didn’t have to worry about spills or dust — just unzip and toss it in the laundry.
Plus, the elegant silk/cotton blend with its subtle pattern adds a touch of sophistication that blends nicely with my bedroom decor.
What really stood out was how effectively it filled the gap between my mattress and headboard. No more pillows slipping through or losing my phone in the crack.
The wide options (4″, 6″, 8″) also mean I could customize the fit depending on where I placed it, whether for headboard comfort or to prevent items from falling out.
The installation took a little patience, as it needed 24-111 hours to regain its shape after unpacking. Once it did, I was impressed with its durability — it kept its shape even after several nights of use.
Overall, it’s a versatile, high-quality solution that truly enhances the comfort and functionality of my bed.
Vekkia King Size Bed Wedge Pillow 76″x10″x7″ Grey
- ✓ Keeps pillows in place
- ✓ Handy side storage pockets
- ✓ Soft, washable cover
- ✕ Large for small beds
- ✕ Can be heavy to reposition
| Dimensions | 76 inches (length) x 10 inches (width) x 7 inches (height) |
| Material | 100% polyester pongee |
| Design Features | Concave surface for pillow support, large side pockets for storage |
| Color | Grey |
| Expansion Time | 24-48 hours to fully expand after unpacking |
| Intended Use | Fills bed gaps from 0 to 6 inches, supports head, neck, and shoulders |
It’s late at night, and I find myself waking up for the third time because my pillow keeps slipping behind the bed. That’s when I remembered I had just set up the Vekkia King Size Bed Wedge Pillow.
As I slide it into the gap between my mattress and headboard, I notice how sturdy and supportive it feels right away.
The pillow’s large size immediately catches your eye—it’s 76 inches long, so it stretches almost the entire width of my bed. The wedge shape is surprisingly comfy, providing a gentle incline that helps keep everything in place.
I love how the concave surface cradles my pillow, preventing it from falling back into the gap.
What really stands out is the built-in storage pockets on each side. I toss in my remote, phone, and glasses, and now everything is within arm’s reach.
No more digging around or losing things behind the bed. Plus, the soft polyester cover is smooth and easy to clean—just unzip and toss it in the machine.
Another surprise was how quickly it expanded after unpacking. Within 48 hours, it was fully inflated and firm.
Using this, I feel more supported when sitting up, and my neck doesn’t ache as much. Honestly, it’s made a noticeable difference in my sleep comfort and convenience.
If I had to pick a downside, the size might be too bulky for smaller beds or tight spaces. Also, the pillow is a bit hefty to move around daily.
But overall, it’s a simple fix for a common bed problem that many people overlook.
Kolbs Full Size Bed Wedge Pillow for Headboard
- ✓ Stylish modern design
- ✓ Keeps items from falling
- ✓ Handy side pockets
- ✕ Slightly snug for large beds
- ✕ Might shift on uneven mattresses
| Size Options | [‘King’, ‘Queen’, ‘Full’, ‘Twin’] |
| Material | Two-tone jacquard velvet cover with high-density foam filling |
| Dimensions | Custom sizes corresponding to bed sizes (exact measurements not specified) |
| Support Features | Provides head and neck support, fills gaps behind headboard |
| Additional Features | Removable, machine-washable cover; side pockets with access holes for charging |
| Foam Density | Premium high-density foam |
Ever get out of bed only to find your phone or remote slipping into that annoying gap between your mattress and headboard? It’s like a tiny black hole swallowing your essentials every morning.
I finally found a solution that actually works—the Kӧlbs Full Size Bed Wedge Pillow for Headboard. It snugly fills that awkward space, so no more lost chargers or glasses hiding behind your bed.
This pillow isn’t just a filler; it’s a sleek, modern piece that instantly upgrades your bedroom look. The two-tone jacquard velvet feels soft and looks stylish, blending effortlessly with most decor.
Plus, the removable cover is a lifesaver—easy to wash and keep fresh. The wedge shape fits snugly into the gap, giving a tidy, seamless appearance.
What really impressed me is the thoughtful design. It provides support for your head and neck, making your bed more comfortable.
The high-density foam offers firm yet comfy support, so I didn’t feel like I was sinking in. And those side pockets?
Genius. I stored my phone, glasses, and remote, with a convenient hole for charging wires.
It’s like having a mini organizer right on your bed.
The only downside? The size might be a bit tight for larger beds or very thick headboards.
Also, if your mattress is super plush or uneven, the wedge might shift slightly during the night. Still, for most standard beds, it’s a game-changer for keeping your bedside essentials within reach.
Couzssyhi Bed Wedge Gap Filler Queen, 60×10×6 in, White
- ✓ Adjustable for perfect fit
- ✓ Keeps bed tidy
- ✓ Handy side pockets
- ✕ Takes time to expand
- ✕ Slightly bulky when folded
| Dimensions | 60 inches (length) x 10 inches (width) x 6 inches (height) |
| Adjustable Modes | 5 flexible configurations to fit different bed gap widths |
| Maximum Gap Filling Capacity | Up to 7 inches |
| Material | High-density foam with removable, machine-washable cover |
| Support Features | Ergonomic wedge design supporting head, neck, and shoulders; dual side pockets for storage |
| Non-slip Surface | Textured surface to prevent pillow movement |
Compared to other gap fillers I’ve tried, this Couzssyhi Bed Wedge really stands out with its adjustable design. You can easily fold and reshape it in just seconds, which makes fitting it into different bed setups a total breeze.
The first thing I noticed is how well it closes the gap, up to 7 inches. No more pillows or remotes slipping into the space between your mattress and headboard.
It’s like having a custom-sized buffer that keeps your bed neat and your stuff within arm’s reach.
The dual side pockets are a game-changer. I found them super handy for holding my phone, glasses, or a book.
Plus, the pockets are adjustable, so you can position them exactly where you want for easy access while lounging.
Its ergonomic wedge shape provides gentle support for your head and neck when you’re sitting up. I also used it as a back support while watching TV, and it held up nicely.
The high-density foam keeps its shape, so it doesn’t flatten over time.
The removable, washable cover makes cleanup simple. The non-slip textured surface keeps everything in place, which is great when you’re moving around in bed.
Overall, it’s versatile, functional, and feels well-made.
Sure, it ships vacuum-compressed, so give it some time to fully expand. But once it does, it’s sturdy and comfortable for multiple uses.
This is a smart pick if you want a tidy, supportive, multi-purpose bed accessory.
What Is a Mattress Gap Filler and How Does It Work?
The benefits of using a mattress gap filler extend beyond comfort; they also enhance the longevity of mattresses by preventing wear and tear caused by constant shifting. In addition, they can be particularly beneficial for couples who share a bed, as they help maintain personal space without compromising the integrity of the sleeping surface.
Best practices for selecting and using a mattress gap filler involve choosing a product that matches the height and firmness of your mattresses. It’s also important to ensure that the filler is easy to clean and maintain. Regularly checking for wear and replacing the filler as needed can further enhance its effectiveness, ensuring it continues to provide comfort and support over time.
What Causes Gaps Between Mattresses and Why Is It an Issue?
Gaps between mattresses can occur for various reasons and can lead to several issues that affect sleep quality and comfort.
- Size Mismatch: Sometimes, mattresses are not the exact same size as their bed frames, leading to gaps. This can happen if a mattress is slightly smaller than a standard size, causing an uncomfortable space that can disrupt sleep.
- Settling Over Time: Mattresses can settle or compress over time, especially if they are made from materials like memory foam. This settling can create a gap between the mattress and the bed frame or between two mattresses, making it feel uneven and less supportive.
- Improper Bed Frame: Bed frames that do not properly support the mattress can lead to gaps. If the frame is too wide or the slats are spaced too far apart, the mattress may not fit snugly, resulting in uncomfortable spaces.
- Incorrect Positioning: If the mattress is not aligned correctly on the bed frame, gaps can form. This misalignment can result from improper handling during setup or shifting during sleep, which can cause the mattress to slip and create an opening.
- Different Mattress Types: When pairing different types of mattresses, such as a firmer one with a softer one, gaps may arise due to varying heights and support levels. This mismatch can lead to discomfort and an unstable sleep surface.
What Are the Benefits of Using a Mattress Gap Filler for Sleep Quality?
The benefits of using a mattress gap filler for sleep quality include improved comfort, enhanced support, and better sleep hygiene.
- Improved Comfort: A mattress gap filler eliminates the uncomfortable gap between two mattresses, providing a seamless sleeping surface. This can significantly enhance the overall comfort level, especially for couples who share a bed but have different mattress types or sizes.
- Enhanced Support: By filling the gap, these fillers help to create a more supportive sleeping environment, preventing the body from sinking into the crevice. This can lead to better spinal alignment and reduce the risk of waking up with aches or pains.
- Better Sleep Hygiene: Mattress gap fillers can help keep dust, allergens, and debris from accumulating in the gap, promoting a cleaner sleeping area. This is particularly beneficial for individuals with allergies, as it can reduce exposure to irritants that disrupt sleep.
- Increased Stability: Using a gap filler can stabilize the mattresses, preventing them from shifting apart during the night. This stability allows for more restful sleep, as individuals can move freely without worrying about falling into the gap.
- Cost-Effective Solution: Instead of investing in a new larger mattress, a gap filler offers a budget-friendly alternative to enhance the sleeping experience. It provides a quick fix that can extend the lifespan and comfort of existing mattresses.
How Do I Choose the Right Mattress Gap Filler for My Bed Type?
Choosing the right mattress gap filler depends on the type of bed you have and your personal preferences.
- Foam wedges: Foam wedges are a popular choice for filling gaps between the mattress and the bed frame. They are designed to compress easily, providing a snug fit that prevents items from falling through while also offering a slight cushion.
- Bed bridge: A bed bridge is a product specifically designed to fill the gap between two twin mattresses used together. It typically consists of a piece of foam or fabric that connects the two mattresses, creating a more seamless sleeping surface and reducing the chance of discomfort from the gap.
- Mattress gap filler pillows: These pillows are specially designed to be placed in the gap and come in various shapes and sizes. They can provide additional comfort, are often adjustable, and can be easily removed or repositioned as needed.
- Adjustable foam strips: Adjustable foam strips are versatile and can be cut to fit any gap size. They are easy to install and can be secured in place, making them a great option for those who want a custom solution for their specific bed frame.
- Custom-fit mattress extenders: Custom-fit mattress extenders are tailored to match the dimensions of your bed and can be made from various materials. These are ideal for achieving a perfect fit and can enhance the overall aesthetics of your bedding setup.
What Types of Mattress Gap Fillers Are Available on the Market?
The best mattress gap fillers available on the market include various materials designed to eliminate the space between your mattress and bed frame or headboard.
- Foam Wedges: These are triangular-shaped foam pieces that can be used to fill the gap between the mattress and the headboard or side of the bed. They are often made from memory foam or high-density foam, providing both support and comfort while preventing items from falling into the gap.
- Bed Bridge: A bed bridge is a long, padded piece that connects two mattresses, effectively filling the gap between them. It not only helps create a seamless sleeping surface for couples who use two separate mattresses but also adds extra cushioning to enhance comfort.
- Mattress Gap Filler Pillows: These are specially designed pillows that can be placed in the gap to prevent objects from falling through. They are often adjustable and can be shaped to fit snugly in the gap, providing support and comfort while also being easy to clean.
- Gap Filler Cushions: These cushions are typically filled with foam or polyester and come in various shapes and sizes to accommodate different bed types. They are designed to conform to the space and prevent items from slipping through while adding an extra layer of softness to the bed.
- Adjustable Foam Strips: These strips can be cut to fit the specific dimensions of the gap and provide a customizable solution for filling uneven spaces. Made from durable foam, they can be easily installed and removed, making them a versatile option for various bed setups.
Which Mattress Gap Fillers Are Most Recommended by Users and Experts?
The most recommended mattress gap fillers include:
- Gap Fillers with Foam Inserts: These are often made of high-density foam that can be cut to size and easily inserted into the gap between the mattress and the bed frame.
- Mattress Wedge Pillows: Wedge-shaped pillows can be placed in gaps to provide support and prevent items from falling through, enhancing comfort during sleep.
- Adjustable Mattress Toppers: Some mattress toppers are designed to extend over the edges of the mattress, effectively filling gaps and providing a seamless sleeping surface.
- Bed Bridge Products: These products consist of a long foam strip that connects two mattresses, eliminating the gap between them, and are particularly useful for couples using twin beds.
- DIY Solutions: Many users create their own gap fillers using materials such as rolled-up towels or pool noodles, which can be a cost-effective and customizable option.
Gap Fillers with Foam Inserts: These gap fillers are specifically designed to fit snugly in the space between the mattress and the frame, providing a solid and comfortable barrier. They are made from durable foam materials that can conform to the user’s body, making them a popular and practical choice for many households.
Mattress Wedge Pillows: Wedge pillows are versatile and can be used not only for filling gaps but also for providing additional support for back or neck issues. Their sloped design helps improve comfort and can be particularly beneficial for those who need elevation while sleeping.
Adjustable Mattress Toppers: These toppers provide a dual function: they enhance the mattress’s comfort level while also extending over the edges to cover any gaps. Users appreciate their ability to transform the mattress feel while simultaneously addressing the issue of gaps.
Bed Bridge Products: Bed bridges are ideal for couples using separate mattresses, allowing them to create a unified sleeping surface without the discomfort of a gap in between. They are easy to install and often come with adjustable straps to secure them in place.
DIY Solutions: Many users find that creating their own gap fillers can be a practical and economical solution. By using common household items, such as rolled towels or pool noodles, they can effectively minimize gaps without investing in commercial products.
How Can I Properly Maintain and Use a Mattress Gap Filler?
To properly maintain and use a mattress gap filler, consider the following key aspects:
- Choosing the Right Material: Select a mattress gap filler made from quality materials such as foam or gel that offer durability and comfort. High-density foam provides better support and can help alleviate pressure points, while gel-infused options can help regulate temperature for a cooler sleep experience.
- Regular Cleaning: Maintain hygiene by regularly cleaning your mattress gap filler according to the manufacturer’s instructions. Most fillers are removable and washable, which helps to prevent the buildup of dust mites and allergens, ensuring a healthier sleeping environment.
- Proper Placement: Ensure the gap filler is correctly positioned between the mattresses to effectively eliminate gaps. Adjust the filler occasionally to keep it snug and prevent it from shifting or losing its shape, which can lead to discomfort during sleep.
- Periodic Replacement: Assess the condition of your mattress gap filler periodically and replace it when necessary. Over time, fillers can lose their support and shape, which may reduce their effectiveness in bridging the gap and providing comfort between mattresses.
- Compatibility with Bed Frame: Make sure the mattress gap filler is compatible with your bed frame and mattress sizes. A well-fitted gap filler will prevent movement and provide a seamless sleeping surface, enhancing overall sleep quality.