Can be washed, soft medical silicone, non -toxic, preventing skin dryness. Protect the skin from peeling and cracking. Can be reused, wash with warm water and soap, and then air dry. On the basis of high concentration, moisturizing and moisturizing, keep your heels and skin soft, By nourishing the combination of moisturizing characteristics, actively help repair cracking skin. It is very suitable for people who stand or walk for a long time, such as security, teachers, nurses, salesmen, etc. Specifications: Product name: invisible socks Material: Gel, Polyester Size: as shown in the figure Color: as shown in the figure Package Included:2x invisible socks Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 0.1-2cm measuring deviation due to manual measurement.