Provide your baby with a healthy sleeping environment with the Dream On Me Star Bright 6 in. 180 Coil Crib and Toddler Mattress. Constructed with heavy-gauge 180 interwoven steel coils, this durable mattress is enhanced with a hypoallergenic cushion layer to help provide comfort and stability. The waterproof cover features a lock-stitched waterproof binding to keep liquids from seeping inside. GREENGUARD Gold certified for indoor air quality and low chemical emissions to help provide a healthier sleeping environment for your baby.