Material and construction - Made from breathable, skin-friendly cotton linen fabric that feels soft to the touch - Inner core is high-density foam, resistant to deformation and provides solid support Effective gap filling - Eliminates gaps between the mattress and headboard or wall edge - Simply lay the foam pad in the gap to create a seamless sleeping surface and avoid feeling the space when beds are together Removable cover and washing - Cushion cover is removable with a zipper - Washable by hand or machine; does not shed and easy to remove for cleaning No assembly required - Full/queen size bed gap filler is rolled up for compact delivery - After unpacking, no installation is required - Please allow about 72 hours for the foam wedge to expand to its fluffiest shape Size and compatibility - Size: full/queen - Compatible with full and queen size beds - Designed as a mattress gap filler between the mattress and headboard or wall edge Care and maintenance - Remove the cover for washing; wash according to care instructions - Foam interior is not intended to be machine washed; keep the cover clean and replace as needed Use scenarios - Between the mattress and headboard on a standard bed to sleep without feeling the gap - Along the side edge where the bed meets the wall to prevent shifting or discomfort during sleep