1. Continuous fever for 10 hours
2. Quick heating in 5 seconds, constant temperature of 48 degrees Celsius
3. 3mm thickness, light, soft and not irritating to the feet
4. Large area heat dissipation, warm the entire feet
5. Grade A non-woven fabric, breathable
2. Quick heating in 5 seconds, constant temperature of 48 degrees Celsius
3. 3mm thickness, light, soft and not irritating to the feet
4. Large area heat dissipation, warm the entire feet
5. Grade A non-woven fabric, breathable