Click Heaters offers reusable and instant Thermal pads which can be used nearly anywhere on one’s body. With just a click of a small metal disc located inside the pad, it instantly heats up and can last up to an hour or more. By simply placing the heating pad in boiling water it will return to its gel state and be ready for use again.Perfect for travel,outdoor and sport, idea gift for winter,Christmas,Helloween and so on. Made from pvc material, measuring 5.91*3.94*0inches, this custom rectangular reusable gel click heat pad. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: Writable surface, lightweight, recyclable paper.