Usage:• Flex the inside metal plate, the hot pack instantly begins to warm up as the liquid gel turns to a crystallized form.
• To reuse, when the pack has cooled, submerge the pack in hot water to turn to liquid form.
• When all the crystals are gone, the pack can be used again or stored to provide instant heat whenever needed time and time again.
• This heat pack is portable, reusable and ideal for back and neck treatment. It’s easily cleaned with soap and water.
Size:8.5"X16" (21.5cm x 40.8 cm)
Made of PVC.