The super practical waterproof mattress protector is certified by the Soil Association and comes unbleached and undyed. Spills and little accidents are all par for the course with kids around and our twin mattress protectors help keep children’s mattresses clean and fresh. Certified by GOTS (Global Organic Textiles Standard), the soft brushed cotton in our child’s mattress protector comes unbleached and undyed. It’s the most natural bedding available and made to the highest ethical and organic standards. The perfect partner for our British made organic and natural fibre children’s mattresses.