Foster healthy sleep with a dual-sided PURE Core crib matteress and our waterproof, quilted HYBRID cover. Combining two covers into one, the Hybrid cover protects your crib matteress with a non-vinyl waterproof backing and features a soft cotton face for baby's comfort. Free of polyurethane foam, "soy in foam, vinyl, PVC, chemical flame retardants, dyes, allergens, phthalates, PFCs, synthetic latex, and off-gassing materials. Features Pure Collection Mattress made with lightweight, fully recyclable polyester core Includes multifunctional cover with a soft quilted cotton face and vinyl-free waterproof backing to protect matteress against accidents Removable, machine washable cover with zipper for easy changes Dual-sided: Firm support for infants, cushier comfort for toddlers Hypoallergenic: dust mite and allergen resistant No chemical flame retardants Square corner design with inverted seams for a seamless sheet fit GREENGUARD Gold Certified: Screened for over 10, 000 chemicals and VOCs known to pollute indoor air and met the rigorous chemical emissions standards of UL, a global independent safety science company Babyletto Pure Core Crib Mattress With Hybrid Cover in White