1Silicone comfort increased, elastic silicone, shock absorption buffer. Easy cleaning, not easy to deformation, excellent quality, no odor. 2Shock absorption and decompression, no smell, no tired after long time walking, reusable. 3A pair of comfortable heel cups can be worn in most shoe styles, including sneakers, dress shoes and boots.The self?adhesive base ensures that the heel cup is securely in place throughout the day. 4The supporting gel distributes the pressure from each step evenly and can be inserted into the bracket and cushioned to the heel.The gel inserts absorb the impact, relieving the painful pressure and reducing the pressure on the feet and ankles. 5Each heel cup is made of high quality material, fit for your heel for greater support and comfort.