| (sustained fever) | 12-14h |
| (Constant temperature) | 53 |
| (maximum temperature) | 63 |
| (A packet of two) | |
| (size) | Female:36-37/38-39 |
| Male:40-41/42-43 | |
| (package) | (customized) |
| (material) | (non-woven fabrics,micro-breathable film,heating panel,adhesive glue,release paper) |
| (Raw material composition) | (iron powder,salt, air activated carton,water,Vermiculite, wormwood extract) |
| (warranty) | (3years) |
| (thickness) | 3mm |
| (weight) | 75-90g |
| (Function) | keep warm |
