Get customers to inquire about what else you have when you impress them with this reusable round magic hand warmer! It's a crystallization type item that activates by flexing the small disc inside to produce heat. It will stay warm for about 15 - 25 minutes, but when you're done, just run this under very hot water until the contents are fluid, then sit to cool. Instructions are printed on and this can be used up to 300 times. With your logo pad printed on this, clients will come to know you as a business with the best products! Can also be used as a cold pack.