Long Lasting Safe Natural Self Heating Insoles

Product Details Self Heating insoles Warm breathable shoe insoles suiable for women and men use. Personal warmth, wet resistant capability is strong, Self-heating insoles good for winter used. Safe, shock-proof, water-resistant heated insoles ,Feel is exquisite, three-dimensional cutting process,shock absorption and non-slip. Natural materials, non-toxic harmless.   -Insole built-in activated carbon, iron powder, constant temperature stone. -Long-term effect and durable, keep warm ans keep healthy. -Promote blood circulation, increase metabolism, immunity enhancement. -Ease pain, relieve fatigue. -Wear comfortable, does not affect work, study and life. -Without using any energy, reliable and eco-friendly. -Self-heating product, no external power and heat.   FAQ