Our ReversaTemp mattress protector offers full protection against stains and moisture on the top and sides of your mattress. It can be conveniently washed and dried on HOT settings for optimal sanitization. With its reversible, double-sided design, you can easily switch between a cooling or warming sleep surface. Experience a refreshingly cooler sleep with our exclusive FRIO cooling fibers, or enjoy comfortable warmth with our HeatStar fibers. These unique benefits are built into each respective thread and will last the lifetime of the product. Designed to fit adjustable bases and standard mattress types up to 18" deep, it ensures a perfect fit for your bedding needs.