Filling: Features a cosy and comfortable soft hollow fibre filling. Cover: With a 50% cotton cover and 50% polyester cover. Material: Polyester keep you warm in winter, and cotton to keep you cool in summer. Pillows: Get one, two or four climate control pillows! Easy care: Machine washable at 40°C! Non allergenic: Ideal for those with sensitivities to feather and down pillows. Climate Control Pillows | Living Social | Living Social