The organic velour natural Pack N Play sheet measures 27" X 39", the deep corner pockets with elastic provide a snug and secure fit. These soft and c ounce y Pack N Play sheets are free of any pesticides and ideal for baby's sensitive skin. Top layer organic velour cotton, back layer 80% cotton, 20% polyester. Fits 27" X 39" Pack N Play pads. Can be machine washed cold with like colors, mild detergent, gentle cycle. Do not use Bleach. For best results tumble dry low.