... sticky on one side and can stick to inside the shoes firmly. Functions: 1. Protect sensitive parts from friction.2. ... , callosity, and horny hyperplasia; to be suitable for high-heel shoes.2. Acupuncture point massage can relax fatigue, save wear and ... materials, liquid silicone rubber for baby feeding products,for adult toy,kitchenware,sundires,logo,insole ,silicone oil, silicone cake mould, ...