Introducing the Graco Premium Foam Crib & Toddler Mattress. The Graco Premium Foam Crib & Toddler Mattress is GREENGUARD Gold Certified, JPMA Certified, and features a CertiPUR-US Certified foam core. Proud recipient of the Parent Tested Parent Approved (PTPA) Seal of Approval, the 2020-2023 Women's Choice Award for "9 out of 10 Customer Recommended Crib & Toddler Mattress" and is also a National Parenting Product Awards (NAPPA) winner. Features a removable mattress cover that is both comfortably soft and water-resistant. For easier care, this zip-off mattress cover is machine-washable (machine wash in cold water on delicate cycle, hang to dry, do not place in dryer machine). The Graco Premium Foam Crib & Toddler Mattress' foam core is perforated to allow for increased air flow without compromising on firmness. For optimal performance, unbox and allow your mattress to fully expand in a room temperature setting immediately upon delivery. Fits any standard full-size crib or toddler bed. Dimensions: Length (52.00 inches) x Width (28.00 inches) x Height (up to 4.5 inches); Weight (7 pounds). Mattress core (100% polyurethane foam). Mattress cover (100% polyester). Backed by a 6-year limited manufacturer's warranty. Exclusively manufactured by Stork Craft Manufacturing (USA) Inc.