Foster healthy sleep with a non-toxic, dual-sided PURE Core crib mattress and our waterproof, quilted HYBRID cover. Combining two covers into one, the Hybrid cover protects your crib mattress with a non-vinyl waterproof backing and features a soft cotton face for baby's comfort. Free of polyurethane foam, foam, vinyl, PVC, chemical flame retardants, dyes, allergens, phthalates, PFCs, synthetic latex, and off-gassing materials. Mattress Outer layer Cotton/Polyester; Batting 80% Modacrylic Batting, 20% Polyester Fiber; Inner Polyester; Cover Face 100% Organic Cotton; Filling Polyester; Backing Food-grade polyethylene Non-toxic mattress made with lightweight, fully recyclable polyester core Includes multifunctional cover with a soft quilted organic cotton face and vinyl-free waterproof backing to protect mattress against accidents Removable, machine washable cover 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 10 year warranty for mattress, 1 year warranty for cover Made in Taiwan Overall Dimensions 52.5 L x 28.38 W x 6 H Item Weight 9 lbs.