• Material:Soft Gel and Flannel
• 2-layer detachable design: You can adjust the height by attaching or detaching the removable insert, allowing you increasing your height freely.Two Layers heel lifts rises about 1.18''/0.79''each.
• Soft springy and comfortable silicone insoles with good damping effect, helping to relieve your foot pain and when walking and suitable for standing a long time.
• Invisible design makes nobody notice you wearing them.
• Comfortable anti-slipping foot soles,fit most shoes-boot, sneaker, and trainer etc...