1.QUICK HEATING SOLUTION Stay warm and cozy in winter with our reusable click heat packs. With advanced selfheating technology, just one click can provide quick heating to effectively banish cold hands. Suitable for all ages to enjoy warmth and comfort in winter 2.Reliable and comfortable warmth: our reusable instant heat packs ensure and comfort during use with its PVC and gel material. Provides gentle warmth, can be used in direct with the skin and it will not overheat. Suitable for all ages 3.Ergonomic performance: the reusable click instant heat packs are processed with advanced technology to ensure an airtight seal that ensures no leakage even under pressure. Its ergonomic design fits comfortably in the hand for warmth 4.Wide application: with our reusable click instant heat packs, you can experience the warmth and comfort wherever you go. Whether travelling, commuting or outdoors, our heat pads are perfect for a variety of uses.