A durable and comfortable sprung mattress with a highly breathable top cover and a wipe clean training surface on the reverse. The Ventiflow; top cover promotes air circulation to help prevent overheating and maximise breathability for the sleeping child. The Permex Plus; reverse side is waterproof, yet vapour permeable, which prevents sweating and is an ideal surface for potty training. Supportive and durable spring core. Removable outer cover is washable at 60 degrees centigrade. Suitable for cot beds and toddler beds. Hypoallergenic. sprung mattress. Core material steel. Cover: 50% polyester, 50% polyurethane. Removable washable cover. General information: Size L140, W70, D10cm. Manufacturers 2 year guarantee.