1、The heel grip liner effectively prevents foot grinding, heel drop, and foot blisters. 2、The material is uniform and dense, soft to the touch, skin‑friendly, breathable and sweat‑absorbent. 3、The edges are soft and smoothly, as if there is nothing, processed by fine grinding process. 4、Use super adhesive sticker, and it is not easy to fall off during use, you can enjoy a soft, comfortable walking. 5、Can be used to adjust half size to prevent heel drop, suitable for flat shoes and high heels. Item Type: Shoe Grips Liner Material: PU Foam Length: Approx. 9.7cm/3.8in Weight: Approx. 7g/0.2oz Function: Prevent heel grinding, adjust half size, prevent heel drop Applicable Shoes: Flat shoes, high heels How to use: 1. Pick up the heel stick and turn to the back 2. First tear off the lower part of the adhesive sticker, which is convenient for trial position adjustment. 3. After adjusting the position, tear off the upper part of the sticker 4. Tap to fix, welcome a new and comfortable feeling 2 x Shoe Grips Liner