Shield all the surfaces of your mattress from allergens using this waterproof protector. Featuring a breathable fabric made from cotton, polyester, and polyurethane, the protector allows air to permeate through while blocking large particles such as dust mites and liquids, giving you a comfortable and noiseless sleeping environment. It's also antimicrobial to prevent bacteria buildup.Sleep Tite technology inhibits allergen growthBreathable fabric provides comfortable sleeping temperaturesFive-sided coverage shields all sides of the mattressPrevents exposure to dust mitesConsists of a polyester top, cotton surface, and polyurethane backDimensions:Twin: 39 inches wide x 75 inches longTwin XL: 39 inches wide x 80 inches longFull XL: 54 inches wide x 80 inches longFull: 54 inches wide x 75 inches longSplit Queen: 30 inches wide x 80 inches longQueen: 60 inches wide x 80 inches longSplit King: 39 inches wide x 80 inches longKing: 78 inches wide x 80 inches longSplit California King: 36 inches wide x 84 inches longCalifornia King: 72 inches wide x 84 inches long