From the producer Waterproof Fitted Quilted Mattress Pad is a waterproof, door plate size crib mattress with a top layer quilted 100% cotton onion quilting. The middle layer is soft polyester filling and the back is made of 100% waterproof vinyl. The pillow measures 24 "x 38". Machine wash with warm colors such as non-use and non-chlorine bleach when needed. ABC Quilted Waterproof Mini Crib (Portable crib) Mattress Pad-FittedThe mattress is durable and long lasting. Consisting of a poly / cotton blanket with a soft thickness 7 oz and padded for maximum comfort and protection. 24 "x 38" gifted.