Comfortable Material: Made of high elasticity foam and sweat-absorbing fabric top cover with non-slip embossed design. Especially great for new shoes and slightly bigger shoes. Shoes Too Big: Two thicknesses be selected. Strong self-adhesive make it stay in one place and fit well with your loose shoes. No More Blisters: Provide more cushion to prevent shoes rubbing your heel and relieve the heel pain from blisters or callus. Cuttable Design: Cut along the indentation according to the actual size required. Suitable for leather shoes, working shoes, canvas shoes, casual shoes, etc. If you are not completely tisfied with your Dr. Shoesert insoles, return them within 30 days for a full refund. Our friendly customer service staff will be pleased to assist you with any questions or concerns. Comfortable Material: Made of high elasticity foam and sweat-absorbing fabric top cover with non-slip embossed design. Especially great for new shoes and slightly bigger shoes. Shoes Too Big: Two thicknesses be selected. Strong self-adhesive make it stay in one place and fit well with your loose shoes. No More Blisters: Provide more cushion to prevent shoes rubbing your heel and relieve the heel pain from blisters or callus. Cuttable Design: Cut along the indentation according to the actual size required. Suitable for leather shoes, working shoes, canvas shoes, casual shoes, etc.