Features: *High-quality material: The height-increasing rubber insoles are made of highly elastic silicone, which has good elasticity and has ventilation holes at the bottom to keep you cool, dry and odor-free during strenuous exercise, keeping your feet comfortable. *Unique design: The insole is worn inside socks, with invisibles increase, moderate thickness, simple and convenient to wear, reusable and comfortable to wear. *Soft and Shockproof: Soft silicone material protecting the heel and provides good shock absorption. Reduce foot pain, perforated design keeps feet breathable and makes feet more comfortable. *Washable: This height-increasing insole supports hand washing, natural drying, reusable, and will not deform. *Versatile: Heel lift pads work with any shoe, boot or sock. You can wear it to interviews, dates, parties or daily life, etc. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Material: polyesterSEBS Size: As Shown Length: 2.5cm/3.5cm Package List: 1 pair x Inner Height Increasing Insole