●Mattress protector waterproof: our waterproof mattress protector is made of Tencel Lyocell, a natural fibre with unique properties. This innovative fibre made from eucalyptus wood is ecologically made from sustainable forests ●100% waterproof and breathable: the waterproof Respir membrane of the Beddy-Bye mattress protector offers you optimal protection against liquids and sweat. Guaranteed free of PVC, vinyl and phthalate, air and heat permeable to keep your mattress cool and dry ●Ultra soft, absorbent and quiet: 50% more absorbent than cotton, more breathable than linen, soft and fine as silk: luxurious and heat-regulating, Tencel ensures a peaceful and quiet night for a restful sleep ●✔️ OPTIMAL HYGIENE AND EASY MAINTENANCE: The hypoallergenic Aegis treatment offers you lasting protection against mites, bacteria and mould. 100% cotton flaps, 18 cm high, perfect grip on mattresses up to 14 cm thick. Washable at 60°C, quick-drying ●Environmentally responsible: our mattress protectors made in Europe are Oeko-Tex certified (without traces of toxic products), have a 30-day "100% satisfied or exchange" right and a 20 year guarantee