EXTRA SUPPORT & COMFORT: The inner core is constructed with firm Eco-fiber for extra support and Embossed Soft Vinyl Cover, Waterproof binding to keeps the mattress fresh adds to the comfort.General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding SAFETY ASSURED: Greenguard Gold Certified to ensure the highest level of health, safety and peace of mind. Made In the USA –Dream On Me Crib and Toddler Mattresses are designed, engineered and proudly made in the USA IDEAL CHOICE FOR YOUR MINI CRIBS: This baby mattress fits most mini cribs and portable cribs; mattress measures 38L x 24W x 3H (not designed for standard cribs or pack n plays) | measure your crib first to ensure a perfect fit EASY MAINTENANCE: The mattress is easy to maintain and easily wipes clean with warm water and a mild soap LIGHTWEIGHT & DURABLE: The mattress weighs only 2.5lbs and the square corner design adds to its snug fit feature in mini/portable cribs. Warranty: 10 Limited Warranty › See more product details