Sealy’s Stain Protection Crib Mattress Pad is 100 percent waterproof to protect baby and crib mattress. The quilted top provides added comfort and softness for your baby. 100 percent waterproof to protect baby and crib mattress. SnugFit deep pocketed spandex blend skirt prevents sliding and shifting. Quilted top provides added comfort and softness for your baby. Hypoallergenic. Machine washable and dryable. Fits standard crib mattresses. Phthalate free. Dimensions – 52 x 28 x 0.5 inches.