Provides a barrier for the top and sides of your mattress that resists stains and moisture. Can be washed and dried on HOT settings for optimal sanitization. Reversible, double-sided design allows you to choose between a cooling or warming sleep surface easily. Sleep on our exclusive FRIO cooling fibers for a refreshingly cooler sleep surface, or choose to sleep comfortably warmer with the help of our HeatStar fibers. The unique benefits of mineral-based FRIO cooling fibers and Heatstar insulating fibers are built into each respective thread and will not wash out throughout the lifetime of the product. Designed to fit adjustable bases and standard mattress types up to 18" deep. PureCare's entire collection of mattress protectors are the official protectors of both the National Sleep Foundation and the Women's Choice Award. Provides a barrier for the top and sides of your mattress that resists stains and moisture. Can be washed and dried on HOT settings for optimal sanitization.