This Sealy Ortho Rest 2-Stage Crib Mattress and Toddler Mattress is one of the most popular baby mattresses available because of the premium quality and safety tests it passes. The 2-stage dual firmness design means there is a firmer side for newborns and infants, then a more comfortable side for toddlers, which is clearly marked on the mattress. Sealy baby mattress innerspring coils are tested to last a lifetime, made by experts in North Carolina. A high coil count of 150 durable coils provide proper posture support for growing children while maintaining an overall lightweight crib mattress at 11 pounds, so it’s easy to lift and change crib sheets. Airy hypoallergenic cushioning is air-quality certified and creates lasting comfort without a coil feel. Reinforced waterproof cover. GREENGUARD GOLD Air Quality Certified for a healthier indoor environment. Passes ASTM crib mattress standards, fit tested in cribs and toddler beds.