SleepMax&reg; Advanced SecuraBed System 100% Waterproof Bed Bug Proof Mattress Encasement (Twin) The Sleepmax Advanced SecuraBed System is the #1 Choice of Healthcare Professionals Worldwide! Qualified Lab Tested and 100% Certified Bedbug Proof w/ BugSnap Technology, for Maximum Protection against bed bugs and mites. Guaranteed 100 Percent Waterproof encasement manufactured w/ specialized WetPro eco-friendly fabric. Top layer is designed with the exclusive Sleepmax Air-Zone fabric to maintain a cool and comfortable sleep + helps relieve common allergy and asthma symptoms. Sleepmax 10 year Limited Lifetime Warranty included. Your Satisfaction is 100 Percent Guaranteed