Looking for a portable/mini crib mattress that is the perfect mix of support and comfort? Choose the Dream On Me 3 Sunset Extra For Mini / Portable Crib Mattress. It’s Greenguard Gold Certified to ensure optimum health and safety. The mattress features a fiber core that offers a firm foundation and excellent support for your young child. It’s durable vinyl mattress cover is waterproof. Our mattresses are designed engineered and proudly made using the best quality environmentally friendly meeting strict safety and quality standards. Mattress dimensions are 38L x 24W x 3H inches. Fits most mini cribs and portable cribs. The mattress cover wipes clean with soap and water. Dream On Me 3 Extra Firm Portable Crib Mattress gives way to premium support and comfort for your baby. Rest easy knowing this mattress is constructed with quality materials and workmanship. Features include high density foam a waterproof cover that keeps the mattress fresh. Easily wipes clean with warm water and mild soap. Complies with Federal Standard Flammability Standard 16 CFR 1633.