Custom size option - Click Customize Now to specify your sponge pad size. The high quality cushion provides strong comfort and support where you need it. Bed seam and gap solution - Designed to permanently solve bed seam by filling the gap between the mattress and the footrest. Helps reduce the distance between the footrest and the bed, so the pillow won t slip or drop. Bed gap filler performance - Made with high density sponge for superior elasticity. The headboard cushion resists deformation for long term use and the gap filler adapts flexibly to the gap, staying in place as you move. Removable cover and care - Zipper design for easy removal. The cover is washable by machine or by hand. Simple to put on and take off and closes securely with a zipper. Use scenarios - Classic bed gaps: bridges the space between mattress and footrest on beds with low frames or uneven gaps, preventing items from slipping through. - Reading or lounging: used as a headboard cushion to provide back or neck support while sitting up in bed. - Flexible accommodations: ideal for dorm rooms, guest rooms, or hotels where bed gaps vary; order a custom size to fit precisely. Key attributes - Function: fills bed gaps, prevents pillow slip, provides headboard support - Compatibility: suitable for beds with footrest gaps and various frame styles - Size: customizable to your requirements - Material: high density sponge for durability and elasticity - Performance: maintains shape and fit over time, easy to clean with removable cover