Zoned Support System for Growing Babies - Sealy Babys Posturepedic technology offers extra firmness in the center for infants, with added cushioning at the head and foot—great for use as a toddler mattress, making it ideal for both stages of growth Hybrid Construction for Comfort & Durability - Combining soy-enhanced foam and 204 steel innerspring coils, this baby mattress balances durability and comfort. It adapts to your child’s movements, promoting deep, sound sleep throughout the night Waterproof & Breathable Cotton Cover - Breathable cotton fabric promotes airflow, while the waterproof barrier ensures easy cleanup after spills. Designed to keep your baby dry and comfortable, this baby crib mattress provides convenience for busy parents GREENGUARD GOLD Certified for Healthier Sleep - Made with safe materials, this baby mattresses for crib is GREENGUARD Gold Certified for low emissions, promoting a healthier, quiet sleep environment. The design helps minimize irritation for sensitive skin Fits Standard Cribs & Toddler Beds - Designed to fit snugly into infant cribs and toddler beds, this crib mattress offers a versatile solution for babies and toddlers. Measuring 52x28 inches, it provides an ideal fit as your child grows Pair with Sealy Baby Crib Mattresses Protector - For the perfect pair, complete your Sealy Baby crib mattress with a coordinating Sealy Crib Mattress Pad (available in 1-pack and 2-pack options)