Your baby will sleep soundly on the Forty Winks Aero-Weave Pebble-Puff Organic Cotton Crib Mattress Pad. Custom designed for maximum comfort, it also protects the mattress from spills and leaks as well as dust mites and allergens. Designed for your baby's comfort and provides a protective barrier against dust mites and allergens Waterproof 200 thread count Double stitched seams for added strength 80% organic cotton/20% polyester Machine wash and dry Measures 52" L x 28" W x 8" H 2-year limited manufacturer's warranty Imported SKU # 62595674