Awarded as "Best Overall Mattress of 2022" by Apartment Therapy. Also awarded as "Best Overall Mattress Protector" by Reader’s Digest. This protector holds OEKO-TEX certification for product safety standards. Cooling: The surface of the protector is 100% lyocell derived from eucalyptus, naturally breathable, moisture-wicking and cool-to-the-touch, great for hot sleepers or those who reside in humid areas. It is also extremely absorbent, pulling excess moisture away from the sleeper’s body. Bottom and Side Outer Lining: Polyester. 100% Protection: The protector is 100% waterproof protection with advanced double TPU Backing. Since the corners are elasticated, the protector can be pulled snugly over your mattress like a fitted sheet. Noiseless: Unlike many waterproof protectors can feel stiff or crinkly and noisy, this protector’s ticking top that is soft to the touch and makes no noise when you move around, giving you a quiet night of sleep. Deep Pocket: 16 inch Deep Pocket can fit mattresses up to 20 inches, prevent the mattress from moving. With its fitted-sheet-style design, the protector covers the surface and four sides of the mattress. Named for a form of poetry and built on the belief that comfort can be engineered, SIJO sets out to create sensorially superior, sustainable sleep products conducive to quality rest, for better tomorrows.