specification: Item Type: Callus Pads_x000D_Material: Felt _x000D_Size: Approx. 5.3 x 4.3cm / 2.1 x 1.7in Features: 1Reduce friction and prevent calluses, helps prevent sensitive areas on the feet from rubbing against socks and shoes. 2Preventing callus formation and protecting existing callus, absorb the pressure and friction caused by calluses. 3Helps form a barrier around your foot bone area to absorb pressure, relieve pain in the foot. 4Protect your feet from grinding pain, suitable for long distance runner, figure skater, or hiker and so on. 5Easy to trim and adjust, can be used almost anywhere on your foot and does not affect the daily wear of shoes. PackageList: 1 x Pair of Callus Pads