(Materials and Functions) Made of high quality silicone, it is extremely soft and stretchy. Provides protection and relief from foot pain from metatarsal headaches, Mortons disease, calus, blisters, and fishs eyes; Provides foot support to prevent deterioration of bunions. Elasticity: Made with super elastic silicone gel material, it can be bent independently and has a very good elasticity.It can quickly absorb the impact force while riding, reducing the pain of half tensile friction, making it easy for you to shop or stand for a long time. ■ Washing instructions: Washing with water is basically sufficient. Gentle detergents with weak acidic and weak alkaline are also OK.When using hot water, please remove up to 30 degrees.If you are concerned about stickiness, please apply baby powder, etc. Do not wash with alcohol. Please dry it in the shade, so as to avoid direct sunlight after washing. ■ Wearing Notes: You can wear shoes, socks, stockings, etc. while wearing it. Silicone is a material that is gentle on the skin, but if you have sensitive skin or have any kind of skin issues, consult your physician before using.