This waterproof fitted quilted mattress pad cover is a crib size quilted mattress pad cover that has a top layer made of organic cotton interlock. The middle layer is 100% breathable polyester. The back layer is waterproof breathable polyester. The cover measures 28" x 52". This can be machine washed cold with like colors, mild detergent, gentle cycle and use non chlorine bleach when needed.T L Care