Instant Heating Pack Click Heat Packs

Instant Heat PackHeat pack is designed to offer instant relief to muscle aches and strain. With a flex metal disc, it can be heated up easily by pressing the disc without the need of an external heat source. This heat pack is reusable, durable and safe. It makes a great soothing item for sports and outdoor use. Material: 0.4mm transparent non-phthalate PVC. Shaped--changeable according to customers' needPrint designInstant heating without the need of external heat source. Possible to reach temperatures of 50 to 52° C depending on physical environment. Durable construction. Reusable, safe and non-toxic. Portable size. Suitable for use during sports, camping and outdoor activities. Perfect for gift giving and promotional use. . Packed individually in polybag and white box. Packing: 100 piece(s) per inner box, 200 piece(s) per carton. Use: Simply knead the flex metal disc within the pack until crystal forms. Soften the pack by pressing. To reuse, immerse the pack in boiling water for 5 to 10 minutes, or until the crystals are completely liquidized, and wait until the pack cools down