Dream Smart Cool Cotton Mattress Protector Size XL The excellent cooling properties of this Dream Smart Cool Cotton Mattress Protector provides a cool and refreshing sleeping environment. Featuring a whisper quiet, luxurious, hyper-purified cool cotton fabric with Ideal Comfort Technology for excellent ventilation and moisture wicking. 100% waterproof protection, and a stretch-to-fit bed skirt. 60% COOLER THAN REGULAR COTTON FABRIC FOR A REFRESHING NIGHTS REST * 100% Waterproof Protection * Luxury Cool Cotton Fabric * Ideal Comfort Technology * Stretch-To-Fit Bed Skirt * 60% Cooler than Regular Cotton Fabric * Engineered comfort