1、Silicone comfort increased, elastic silicone, shock absorption buffer. Easy cleaning, not easy to deformation, excellent quality, no odor. 2、Shock absorption and decompression, no smell, no tired after long time walking, reusable. 3、A 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. 4、The 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. 5、Each heel cup is made of high quality material, fit for your heel for greater support and comfort. 2 x Heel Cups Condition: 100% Brand NewItem Type: Heel CupsMaterial: Silicone Optional Type: Male Type 3.5cm, Female Type 3.5cm Male Type Size: Approx. 12.3 x 6.8cm / 4.8 x 2.7inFemale Type Size: Approx. 11 x 6cm / 4.3 x 2.4in