Introducing the Graco Premium 6-Inch Dual-Comfort Crib and Toddler Mattress. Graco s fully-expanded, dual-sided crib and toddler mattress with 2 unique sides – one for infants, the other for toddlers. Certified, Formaldehyde Free Certified by Ul, Jpma Certified, and with a CertiPUR-us Certified foam core. Proud recipient of the 2023 Top Product Award by Parent Tested Parent Approved (PTPA), the PTPA Seal of Approval, the 2020-2023 Women s Choice Award for “9 out of 10 Customer Recommended Crib and Toddler Mattress”. Features a removable, comfortably soft mattress cover with a waterproof sleep surface. 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). Designed to fit any standard full-size crib or toddler bed. Dimensions: Length (52.00 inches) x Width (28.00 inches) x Height (6 inches) Weight (12 pounds). Mattress core (100% polyurethane foam).