This Dream On Me 2-in-1 Two-Sided 3” Portable Crib Mattress features a unique BREATHE FLOW technology that promotes air flow and helps provide your baby with a safe and healthy sleep environment. Designed with 2 hypo-allergenic layers, this mattress offers cushioned comfort for infants and toddler. The mattress comes with 2 sides - a firm, infant side that features a breathable cover and provides the right amount of support to your newborn and a waterproof, softer side that provides your toddler with utmost comfort. This Greenguard Gold certified mattress comes with an anti-bacterial, waterproof cover that aids in the prevention of mold, mildew, and odor. Taking care of the mattress is easy. Simply wipe clean with mild soap and water. All Dream On Me mattresses meets Federal Standard Flammability Standard 16-CFR 1633 and other standard toxicity tests. All our mattresses are constructed with quality materials and workmanship in the USA. This mattress is designed to fit standard portable cribs and mini cribs.