With 5 heat settings for customizable comfort and an 10-hour auto shutoff for added safety, this microfiber mattress pad is perfect to keep you warm. This pad features a soft, cozy poly fiber fill with an embossed exterior for added style, fitting mattresses up to 18" deep. Our technology features overheating protection for peace of mind, and is 100% ETL certified complete with a 3 year limited warranty for years of use. The pad is machine washable for convenient care, and is OEKO-TEX certified for quality comfort and wellness.