The Breeze Breathable 2-Stage Crib Mattress maximizes airflow and supports growing little ones. It features a waterproof mattress and breathable mattress pad, so it keeps babies cool and dry while preventing overheating. Plus, the two-sided mattress has a firmer side for infants and a cushioned firm side for toddlers, so it'll provide your baby with safety and comfort through two growth stages. And the mattress weighs less than 10 pounds, making it easy to change out your crib bedding.Free of harmful chemicals and flame retardants. Product is GREENGUARD Gold Certified. Lifetime limited warranty. Mattress and breathable mattress pad are designed to keep baby cool and dry while preventing overheating. Two-sided mattress has a firmer side for infants and a cushion firm side for toddlers. Breathable mattress pad is easy to remove and features waterproof backing to protect the mattress from spills and messes. Waterproofing prevents contamination from urine and other messes, stopping bacteria growth, mold and mildew. Mattress is fully functional even without the pad, so you can put your baby back to sleep while washing the breathable mattress pad. Designed to fit securely into cribs. Food-grade LDPE (low density polyethylene) construction with polypropylene batting. Wipe clean with a mild antibacterial soap and water (do not saturate the mattress). Mattress pad is machine washable. Mattress is 8lbs —light weight makes it easy to change crib bedding. Made in USA of Domestic and Imported Materials.