P.L.A.Y. Change-a-Cover, Round, Cover Only Hypoallergenic cotton is soft, breathable and allergy-free. Meticulous and durable hand-sewing ensures years of use. Customized P.L.A.Y.-zipper lets you easily slip off cover for washing or replacement for a new style. 100% machine washable and dryable. Made in a facility that meets the strict quality standards for infant and children products. Hypoallergenic cotton is soft, breathable and allergy-free. Meticulous and durable hand-sewing ensures years of use. Customized P.L.A.Y.-zipper lets you easily slip off cover for washing or replacement for a new style. 100% machine washable and dryable. Made in a facility that meets the strict quality standards for infant and children products.