The LA Baby Triple Zone Crib Mattress offers the support that your baby needs. It features a triple-laminate cover that is tear and waterproof. This mattress also has a high-density soy foam border that keeps the sides from sagging when your baby stands up. Soy foam reduces dependability on foreign oil, so it"s environment friendly. Dimensions: 52L x 27.5W x 5.75H inches About LA Baby L.A. Baby is an award-winning division of Amwan, a manufacturer and distributor of fine quality juvenile furniture. With products designed for residential and commercial use, L.A. Baby items can be found in homes, day cares, and hotels. Based in City of Industry, California, L.A. Baby offers a wide range of baby items, including cribs, strollers, safety gates, changing pads, and high chairs. * High-density soy foam provides support and safety * Triple-laminate cover is tear and waterproof * Air vents along sides keep mattress fresh * Cloth-edge binding helps prevent seam splitting * Dimensions: 52L x 27.5W x 5.75H inches