Odorless Silicone The anti-slip shoe grips are made of premium odorless silicone, will not fade, more wear-resistant and durable than ordinary rubber. Strong Self-Adhesive Our non-slip shoe pads use strong self-adhesive, not easy to fall off. Unique anti-skid technology brings you amazing traction, stability and confidence. Suitable for Most Shoes This non-skid shoe pads is suitable for elderly shoes,sneakers, casual shoes, high heels, flat shoes, sandals and various shoes with slippery soles, suitable for men, women and children. Easy to Use Please clean the bottom of the shoes and keep it dry before use, then tear off the backing paper, stick the shoe grips to the proper position and press it tightly. Then leave it for 12 hours for better anti-slip effect.