¾ The shop n buy comfortable gel Cups massages the heel and provides superior shock absorption relief. ¾ Perfect for all ages and both men and women improve step balance and foot strength anti-skidding shock-absorbing and depressurizing reduce the damage to the foot due to vibration relief pressure and pain from shoes. ¾ Manufactured from high quality Silicon material. ¾ These silicon heel cups are Suitable for leather shoes sports shoes. ¾ It can be easily washed by hand with a mild detergent when necessary. ¾ Before placing it in your shoe ensure there is adequate space in your footwear to accommodate the insole.