Quality guaranteed. Compare to ThermaCare (This product is not manufactured or distributed by Pfizer, Inc., the Distributor of ThermaCare). Pain Relief. 8 hours of heat. Deep muscle relaxation. One size fits most. 2 treatments. 4 heating pads. 1 reusable wrap. Uses: Provides temporary relief of minor muscular and joint aches and pains associated with overexertion, strains, sprains and arthritis. www.betterlivingbrandsLLC.com. Our Promise: Quality & satisfaction 100% guaranteed or your money back.