2pcs Disposable Heated Insoles Winter Heater Warmer Foot Heat Boot Shoes Pad

feature:
1. This foot warmer is made of high-quality non-woven fabric + iron powder + vermiculite + activated carbon material, which is breathable, comfortable and soft to the touch.
2. The heated insole has a long lasting heat time that can warm your feet for up to 12 hours in cold weather.
3. The disposable heating insole is super convenient to use, and it is disposed of with ordinary garbage after use, and the non-toxic and harmless materials will not pollute the environment.
4. unisex
describe:
Material: non-woven fabric + iron powder + vermiculite + activated carbon
Average heating temperature: 40℃
Heating time: 12 hours
Package includes: 1 pair of heated insoles