The Five 5ided IceTech Mattress Protector offers reliable waterproof protection and cooling technology. Innovative IceTech fabric continually dissipates body heat for a comfortable sleep climate. The lab-certified H2Pro barrier protects the top and sides of mattresses from fluids, stains, dust mites and allergens while allowing air to permeate for comfortable breathability. Fitted protector has a Universal Fit design with deep pockets and a premium 1.5 in. elastic in the skirt hem for a smooth, secure fit on mattress depths from 6 in. to 22 in.IceTech cooling fabricBreathable waterproof barrierBlocks allergens and dust mitesIceTech fabric continually dissipates body heat to create a cool sleep climateLaboratory-certified H2Pro membrane is breathable and quietBreathable fabric does not add bulk or change the comfort of a mattressFive-sided protection guards the top and sides of the mattressUniversal fit design and thicker premium elastic creates a smooth, secure fit on mattress depths 6 in. to 22 in.