Stop losing sleep and close the gap between your headboard or wall and mattress | Snug Stop Mattress Bed Wedge is made of high density foam that stays cool in the summer and insulates in the Winter. It fills the gap. | Side pocket hold your remote, glasses, phone and more. In sizes King, Queen/Full and twin | Includes a machine washable cover | Enjoy a better night sleep with the bed wedge pillow by filling the gap between your wall or headboard and mattress with this headboard gap pillow