The Colgate EcoSpring 2-n-1 Dual Firmness Infant / Toddler Eco-Friendlier Crib Mattress is an ideal choice for growing infants as it provides firmness and comfort. The EcoSpring features a spring unit with 6.0-gauge steel border rods for firmness and edge support, as well as a quality support pad. Two comfortable and supportive cushioning layers cover each side of the mattress. This crib mattress fits both cribs and toddler beds. Dimensions: 51.8L x 27.5W x 6H inches.Additional Features:GREENGUARD Children & Schools CertifiedHigh-quality spring unit with 190 coilsExtra-thick 6.0-gauge border rods provide extra edge supportNatural and renewable coir fiber support/insulator pad made from coconut shell husks and all-natural latexAbout ColgateColgate is known for producing the highest quality crib mattresses in the country. Having received many industry awards, they"re proud to be among the first members of the Juvenile Products Manufacturers Association. Colgate has been manufacturing crib mattresses in Atlanta, Georgia for over 55 years and they"re proud to be a US manufacturer located in the heart of the south. Millions of Americans have started their lives sleeping on a Colgate crib mattress.