Palos Designs Mattress Wedge with Cover and Remote/Cell Phone Holder (Queen) Fills the gap between your mattress and headboard or wall so you can sleep more comfortably. Wedge can also be used to fill the space between 2 mattresses. Cover includes side pockets that easily and discreetly stow remotes and other small items. Foam wedge is sturdy, yet lightweight. Twin is 39"L, Queen is 60"L, and King is 76"L