"TWO Twin Mattress Bags! These bags are made of a 2 mil Poly material which is tear resistant and water resistant. These covers are great for protecting your items while in transit from dust and dirt, spills, and bugs! Each cover is 40x15x86. The 15 in Height allows for Pillow top mattresses to slide in with ease! Covers are sealed on three sides and opened on one end which can be sealed with tapeslips over the mattress like a pillow case! Dont make your move with out these!"