The Dr.warm heated insoles have become a hot product of Dongguan S-King Limited. Dr.warm heated shoe insoles, manufactured based on high-quality materials and advanced technology, has reasonable structure, excellent performance, stable quality, and long-lasting durability. It is a reliable product which is widely recognized in the market.Dongguan S-King Limited has years of experience in the manufacturing heated shoe insoles. We have our self-built factory and complete equipment. We can provide comprehensive ODM/OEM services of custom heated insoles manufacturing.Made of eco-friendly material, heated Insoles is assured to be environmentally friendly.