The Colgate EcoClassica III is from the Colgate Cradletyme Naturals collection of eco-friendlier crib mattresses, pads, and accessories. The EcoClssica III is a high quality, lightweight (9.6 lb) , orthopedic style dual firmness Infant / Toddler foam crib mattress. The firmer supportive infant side is very firm. The less firm, more comfortable toddler side is also firm to support toddler bodies but, less firm than the infant side. Mattress fits all standard size American cribs and toddler beds. An overall 6" mattress thickness means tight fitting sheets. A certified organic cotton cover with a waterproof backing puts organic cloth closest to baby and the waterproof backing lets nothing into the mattress. Inverted seams provide for a sleek appearance. All foam in this mattress is CertiPUR-US certified to be safe, high quality foam. All foams are also eco-friendlier because they are made with (non-food) plant oils replacing petroleum based oils. The Colgate EcoClassica III mattress passes all federal and state requirements for flammability and chemical composition and has been GREENGUARD certified to have no harmful air emissions. Lastly, the mattress is made by Colgate, The Crib Mattress Specialist, who has been making mattresses and trusted by parents for over half a century. Standard size orthopedic style six inch thick dual firmness lightweight foam crib mattress fits all standard size cribs and toddler beds GREENGUARD Children & Schools Certified, the toughest GREENGUARD standard - passes all standards for indoor air quality and more than 10,000 volatile organic compounds. Dual firmness offers very firm support for infants and greater comfort for toddlers Certifed organic cotton cover closest to baby's skin has a waterproof backing Made with Certi-PUR-US certified ecologically friendlier foam made using plant oils Easy Sheet changes from light 9.6 lb mattress weight Made by Colgate, The Crib Mattress Specialist - making mattresses and trusted by parents for over half a century Eco-Friendly, Organic, Natural Color: Ecru Made in the USAOverall Dimensions: 51.625"(L) x 27.25"(W) x 6"(H)Item Weight: 9.6 lbs.