The Martex Eco Pure Soft & Sustainable Mattress Protector is filled with soft and lofty polyester fibrefill made from recycled bottles. Martex Eco Pure is designed to reduce the burden on the Earth's landfills and natural resources by reusing, renewing and recycling. With the same benefits of virgin polyester, Martex Eco Pure is great for the environment whilst providing comfort and support. Also available within the range are pillow pairs, 4.5, 10.5 and 13.5 All Seasons duvets. Oeko Standard 100 Certified.