The Malouf Five 5ided Pillow Protector with Omniphase and Tencel features ultra-thin, 100% waterproof, quiet, and breathable material that sleeps cool and will not change the feel of your pillow. It is generously sized to accommodate any pillow loft and uses a full zippered enclosure for quick and easy fastening. The moisture-wicking Tencel fabric temperature regulating Omniphase material, and Sleep Tite H2Pro membrane provide protection from liquids, bacteria, dust mites, and bed bugs. Sleep safe and sound with the Malouf Five 5ided Pillow Protector with Omniphase and Tencel. Malouf is dedicated to improving every aspect of sleep from the bedroom and beyond, and strives to produce high-quality products at an affordable price.