Cooling Protection The cooling fibers that make up the protector resemble glossy ice: shiny, slick, and cool to the touch. The unique surface texture of this manufactured yarn creates an instant cooling effect to help manage temperature as you fall asleep. Five-sided mattress protection Cooling fabric helps manage temperature Hypoallergenic protector Guards against liquids, dust mites and allergens Liquid-proof membrane Durable elastic for a secure fit Compatible with 6" to 22" thick mattresses Machine washable 15-year warranty