Advertising Disclosure Mattress Gap Filler Comparison - August 2025
3 Best Mattress Gap Filler In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.9Exceptional | 2  9.8Exceptional | 3  9.7Exceptional |
| View DealOn Amazon | View DealOn Amazon | View DealOn Amazon |
ModelCustom Size Long Bed Gap Filler, Close the Gap Between Headboard Wall or Foot Board for Single/Double/King Bed, Rectangle Mattress Support Bolster Thick Armrest Pillow | Model baibu Full Size Bed Wedge Mattress Wedge Pillow Gap Filler, Headboard Pillow to Fill The Gap Between Your Headboard and Mattress (135 x 25 x 15 cm) | Model COSTWAY Full/Queen Size Bed Wedge Pillow with Side Pocket, 4FT6/5FT Headboard Pillow Long Gap Filler Bed Foam Cushion, Bolster Pillow Cover Gap Between Mattress and Headboard (White, Full-54"x10"x6") |
BrandMonbaer | Brand baibu | Brand COSTWAY |
Reviews | Reviews | Reviews |
Features | ||
Comfort 9.9 | Comfort 9.9 | Comfort 9.8 |
Tech Specs | ||
item weight 1 kg | item weight 1 kg | item weight 1.5 kg |
special features Removable | special features Removable Cover | special features Removable Cover |
customer reviews4.2 4.2 out of 5 stars 74 ratings 4.2 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 60 ratings 4.5 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 49 ratings 4.7 out of 5 stars |
color Personalise | color White | color White |
Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.9
1MonbaerCustom Size Long Bed Gap Filler, Close the Gap Between Headboard Wall or Foot Board for Single/Double/King Bed, Rectangle Mattress Support Bolster Thick Armrest Pillow
9.9 ComfortMain highlights- Removable Cover - Linen cover is wear-resisting and breathable, design with zipper,allows you to easily remove the filler cover for change and wash, hand wash or machine wash is possible.
- Multi-function - The full/queen size bolster pillow perfectly fills the gap between your mattress and headboard, while it can be placed against the wall to eliminate painful collisions. On the sofa or tatami, the headboard reading pillow offers ergonomic supports for you to gain the most comfortable posture for reading or watching TV.
- Custom Size - Click the ''Customize now'' button,all dimension filler you can custom,perfect fit your bed/mattress gap.
- Comfortable - We offer 3cm,5cm,8cm,10cm,15cm,20cm thickness foam filler cushion,provide outstanding comfort and support as well as a convenience. It can not only close the gap between your headboard or wall and mattress,but also act as arm/head support for a wooden sofa.
- Bed Gap Filler - Thanks to high density sponge, the bed pillow has superior elasticity. The headboard pillow not easily deformed for the long-term use. Besides, the gap filler bed pillow can flexibly and tightly adapt to the gap.
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9.8
2baibu
baibu Full Size Bed Wedge Mattress Wedge Pillow Gap Filler, Headboard Pillow to Fill The Gap Between Your Headboard and Mattress (135 x 25 x 15 cm)
9.9 ComfortMain highlights- Suitable Size For Most Bed：approx.54x10x6inches (152x25x15cm) , the bed wedge mattress gap fillers are suitable for filling the gap between the headboard/foot board/bed rail/wall and the mattress to protect your pillow from falling.
- Multiple Usage ：This headboard pillow can be full used to provide you with better shopping experience, it's not only a bed wedge mattress gap filler to keep items away from falling under the bed, it is also comfortable headboard pad/ cushion on the bed/ under bed blocker for pets.
- Machine Washable： We designed a long zipper for the triangular bed wedge pillow, just open the zipper to take out the sponge and put the bed wedge cover that needs to be clean in the washing machine. Machine wash with laundry bag and cold, do not bleach, do not iron, just tumble dry with no heat and your mattress gap filler will look as good as new.
- High Quality：Our bed wedge mattress fillers are made of high-quality sponge, which can provide enough support to make you sleep more comfortable. You don't have to worry about the quality of the headboard wedge, the wedge pillow cover made with a skin-frendly, breathable fabric, have no peculiar smell, soft and silky, no pilling on the surface, precise sewing and reliable quality. Please buy with confidence。
- Bonus Side Pocket ：This mattress wedge pillow includes a durable side pocket for placing the remote control, telephone and storing small items you want to carry with you.
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9.7
3COSTWAY
COSTWAY Full/Queen Size Bed Wedge Pillow with Side Pocket, 4FT6/5FT Headboard Pillow Long Gap Filler Bed Foam Cushion, Bolster Pillow Cover Gap Between Mattress and Headboard (White, Full-54"x10"x6")
9.8 ComfortWhy we love it
Superior elasticity prevents deformation.
Ergonomic design supports neck.
Includes handy storage pocket.
Our ranking system
The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.
Features
Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
Consumer Reviews
We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
