Item name Hot Pad Hand Body Warmer Pain Relief Patch back reliever HEAT PAD Size of the Instant 12-hr Hot Pad Hand Warmer Patch 9.2*5.5cm Color White Heating duration 12 hours Ave. temperature 53 ?C Peak temperature 65?C Package: 1patch/bag Shelf life: 3years Active Ingredients of the Instant 12-hr Hot Pad Body Warmer Patch: Iron powder, Vermiculite, active carbon, water and salt Indication Mainly to keep parts of body warm in winter, and relieving the pains from rheumatic, stiff neck and shoulder, backaches, muscular fatigues, arthritis, and other diseases because of cold weather Features 1.Natural ingredients, no side effect 2.Air-activated heating 3.Long lasting& effective 4.It offer warm security to all kinds of crowd 5.Relive pains on your body from the cold Size: 10*13cm Heating duration: 12hours Ave. temperature: 53 ?C Peak temperature: 65 ?C Specification: 1pc/poly bag Shelf life: 3years Active Ingredients Iron powder, Vermiculite, active carbon, water and salt Strengths 1) the product is flaky patches with three parts of raw material layer, gelatin layer and non-woven bags and raw material is placed in non-woven bags; 2) The raw material layer is composed of volcanic energy spar,charcoal superfine powder,tourmaline water,inorganic salts, iron and other synthetic polymers; 3) Under the role of the oxygen in the air, the exothermic creation in raw material layer can occur; 4) Non-woven bags are characterized by no leakage and good ventilation;