SleepMax SecuraBed 100% Bed Bug Mite Proof Pillow Protector Anti-Bacterial Encasement Set of 2 (Standard) The Sleepmax Advanced SecuraBed Pillow Encasement System is the #1 Choice of Healthcare Professionals Worldwide! SIZE: Standard 20 Guaranteed 100 Percent Waterproof encasement manufactured w/ specialized WetPro eco-friendly fabric. Top layers are designed with the exclusive Sleepmax Air-Zone fabric to maintain a cool and comfortable sleep + helps relieve common allergy and asthma symptoms. Sleepmax Industry Leading 10 year Limited Lifetime Warranty included. Your Satisfaction is 100 Percent Guaranteed!