Material: Non Toxic Harmless
Product Weight: 80 gms
Product Dimensions: 13 x 8 cm
Packaging Dimensions: 16 x 11 x 3 cm
Package Content: 1 Pair
1. Integrated activated carbon insole, iron powder, constant temperature stone.
2. Long-term and long-lasting effect, keep warm and stay healthy.
3. Promotes blood circulation, increases metabolism, improves immunity.
4. Relieve pain, relieve fatigue. Disposable.
5. Wear comfortable, does not affect work, study, and life.
6. Without using any energy, reliable and environmentally friendly.
7. Self-heating product, without external energy or heat
