2 pairs setEasily interchangeable for daily use, convenient to use anytime, suitable for EU: 35-39/EU: 40-45 High quality materialThe heel pads are made of soft silicone , soft and comfortable, breathable design to remove odor of bacteria, wear-resistant and have strong shock-absorbing ability. Relieves Heel PainThe heel pad provides strong support for heel and ankle to reduce pain, fatigue and swelling to reduce. Relieves foot pain caused by heel spurs, bone spurs and plantar fasciitis by absorbing shock and reducing tension and pressure with every step. Anti-slipSelf-adhesive bottom, stick firmly and not easy to slip off. Provides an absolutely firm and perfect grip on the shoe without leaving any residue. Fits in any shoeThese comfortable neutral gel heel pads can be used in most shoe types including sneakers, formal shoes and Boots. They can be worn all day long and are ideal for nurses, hotel staff, runners, dancers, athletes and other professionals.