Its Diamond Heating Pad for muscles pain relief. It have bell switch. Goes upto 90 Degree. Opposite for the ribbon side will warm. Cotton inside, Thin, easy to carry, easy to use. It will gives you best service. Remember when you heat it you should touch or use it. Don’t give power supply when it’s not in use, Stay away this product from water oil or any liquid. Stay it away from kids. No Guarantee warranty required. Superior Quality. 1. No Gel, No Paraffin, No Liquid, No harm full chemical use in it.2. No Plastic Use In side and out side, Eco Friendly and Bio-digerable Product. 3. Made In India, Hand Made Product. 4. Its a electrical product, make sure you should dry before you use.5. At 20 years anniversary its launch at online marketing.6. Guarantee or warranty not required its a high quality product, Also its have service center inside the packet no extra fee for service under 1 year. Feel free to contact with us.