Stretchable belt with Velcro securely holds two heat pads and allows you to move freely while keeping the heat where you need it the most. Air-activated, odorless and non-medicated. Includes one belt and 4 heating pads (2 heat treatments). Product is supplied as a pack of 2 treatments, 6 shrink-wrapped boxes (12 treatments) and a case of 36 boxes (72 treatments). Pad measures 3.75” x 5.125”. Disposable, single use only.