The Malouf Sleep Tite IceTech Pillow Protectors feature IceTech cooling fabric, a breathable fabrice that is cool to the touch and provides a cooler night of sleep by dissipating body heat. The lab-certified H2Pro barrier offers reliable waterproof protection, along with allergen and dust mite protection, while providing better breathability. H2Pro Membrane Laboratory-certified membrane is quiet and allows air to permeate while blocking liquids, allergens and dust mites. Ice Tech Soft, breathable fabric is cool to the touch and provides continual heat dissipation to create a cooler sleep climate.