Sprung core mattress that provides excellent postural support for children throughout their development. Good internal airflow - springs encourage airflow throughout the core. Rotatable and flippable - can be turned around for longer-lasting support. Waterproof panel - to help stop spills soaking through. Machine washable cover at 60c. Suitable for cots. Hypoallergenic. sprung mattress. Core material polypropylene. Cover: 60% polypropylene, 40% polyester. Removable washable cover. General information: Size L120, W60, D10cm.