The Natural Cotton is a mattress protector from Slumberfleece. The luxurious cover of the protector is made from cotton, as are the fillings. The protector allows for a circulation of air, reducing moisture build up and will do an excellent job in prolonging the life of your mattress. The Natural Cotton Mattress Protector will keep you cool during summer and will provide a layer of insulation during the winter, always providing a healthy sleeping environment. This Slumberfleece protector is easy to wash and no ironing is required.