Description: Gel dot on the inserts and double sided tape on the bottom, this anti- insoles stop your feet out of your shoes. Made of thick sponge liner with fabric and silica gel, breathable, water and shock absorbing, elastic and wear resistant, comfortable to wear. Butterfly wing shaped design can perfectly fit in your shoes and fully protect your heels from rubbing, cuts and blisters. Specially developed for better foot protection make loose shoes more fit to your feet. Good for reducing the friction between shoes and feet, prevent heel slipping out of shoes. Perfect for high heels, dress shoes, flats, clogs or any shoe that causes discomfort in the heel. Solve the problems of new high heel shoes too hard or shoes too big. Specification: Material: Sponge, Silica Gel, Fabric Type: Heel Grips Size(LxWxT): Approx. 9.8 x 3.8cm /3.86 x 1.50 inch; thickness is about 3mm Package Includes: 3 Pairs Heel Grips Pads Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!