

Spotted by Maya Chen
Deal Hunter & Savings Expert
Fill the Gap Between Your Mattress and Wall
Bed Gap Filler/Mattress Space Filler, Mattress Extender for Twin/Full/Queen/King Bed, Close Gap(0-12") Between Mattress and Headboard or Wall, Stop Losing Your Pillows(Dark Blue-LxWxD-72 * 2 * 12in)
This mattress gap filler from ThinMay is designed to close spaces up to 12 inches between your bed and headboard or wall, helping prevent pillows from slipping through. Made with breathable linen fabric and high-density memory foam, it aims
As an Amazon Associate we earn from qualifying purchases. Prices may change.

Spotted by Maya Chen
Deal Hunter & Savings Expert
The highlights
- +Prevents pillows and small items from falling into the bed gap, reducing disturbances during sleep.
- +The removable, machine-washable linen cover makes maintenance straightforward and hygienic.
- +High-density foam offers firm support while remaining comfortable against the body.
Perfect for
The full picture
Heads up
- The foam may take 2 to 3 days to fully expand after unpacking.
- Size is fixed at 72 x 2 x 12 inches, so confirm it fits your mattress gap before buying.
- Color options may be limited to dark blue.
Before you buy
- Measure the width and depth of your mattress gap to ensure this filler fits.
- Check that the 72-inch length suits your bed size (Cal King).
- Plan ahead for 48-72 hours of foam expansion after unpacking.
- Confirm that the dark blue color fits your bedroom aesthetic.
Product details
PRODUCT DESCRIPTION Soft&Durable: The cover of mattress extender is made of breathable linen fabric, soft and comfortable. Removable &Zipper Design: Removable cover with zipper, easy to clean. It is pilling free and machine washable, making it the perfect choice for a reading&rest pillow. High Density Memory Foam: This bed gap filler for mattress/bed/wall features a breathable, fresh design that is perfect for bed/mattress and can stop losing pillows. Made of high density foam to fix the mattress gap with simple installation. Warm Tip: Due to the properties of the sponge, it may take up to 48-72 hours to fully expand after opening the package.
