The Sealy Baby Soybean Plush Foam Core Crib Mattress features a soybean foam mattress with water-resistant soft fabric jacquard cover. Sturdy yet firm, this mattress is lightweight, so it is easy to move and change the crib sheets. Ideal for a growing family, this bedding staple will work well in a crib and transitions easily to fit a toddler bed frame. The square corners on this mattress means it fits snugly into the crib, so there are no safety gaps. The mattress foam is CertiPUR-US certified and has been tested for indoor air emissions, durability, and substances including phthalates, formaldehyde, PBDEs, lead, and other chemicals. The high-density foam is crafted from soybeans, a renewable resource that's grown in the USA. Provide your child a safe, supportive night's rest on this superbly made mattress. GREENGUARD CERTIFIED - This entire mattress is certified for indoor air quality and low chemical emissions to help create a healthier sleeping environment for your baby. Lightweight, soft, soybean foam sleeping surface. Woven fabric cover is stain, liquid, allergen resistant. Meets Federal Flammability Standard for safety. Also fits toddler bed frames. 51.63L x 27.25W x 5.75H inches.