SLUMBERCOOL® superior fabrics feature HEIQ ADAPTIVE, a revolutionary textile technology engineered to keep you comfortable all night. This intuitive fabric surface reacts to your body, dynamically responding to body heat and environmental changes. The cooling process is activated when you are hot and sweaty and stops once you have reached your optimal sleep temperature. This creates a perfectly cool + dry microclimate while you sleep, repelling moisture + heat away from your body. Certified & Laboratory Tested Stain + Liquid Protection Breathable, Yet Impermeable Fluid-Proof Breathe-a-Barrier® Proven Hypoallergenic Protection from Irritants, Dust Mites, Mold + Bacteria Easy-Care Machine Washable Accommodates Mattress Depths of 9"-18" NO REFUNDS, RETURNS OR EXCHANGES AVAILABLE AT THIS TIME. ALL MATTRESS PROTECTOR SALES ARE FINAL.