【PACKAGE DETAILS】 krofaue replaceable sandpaper discs have 60 pcs discs in a box, 30 pcs 80grit and 30 pcs 100 grit. Our 80 grit sandpaper pad discs can sand the dead skin calluses, which is suitable for grinding aged thick calluses. And 100 grit sandpaper refill discs can remove slight dead skin and common foot calluses, suitable for daily foot care | 【SIMPLE USAGE:】The material of our replaceable sandpaper discs are black silicon carbide and self-adhesive. krofaue sandpaper pad discs have adhesive backing. You just peel off the sticker on the back and gently press on the disc of the foot grinder to use it. Our sandpaper refill discs are easy to use and not easy to fall off | 【CLEAN & SANITARY】 krofaue sandpaper pad discs ensure a specific level of cleanliness when in use. One person uses one at a time and then throws it away. It is convenient for you to save cleaning time each time you use our replaceable sandpaper discs. Our sandpaper refill discs are suitable for families, dressing rooms and other occasions | 【SIZE DETAILS】 krofaue replaceable sandpaper refill discs are a round sand discs design. Our sandpaper discs allow you can grind the dead skin in omni-directional and multi-angle. The diameter of our product is 1.69IN. Small and portable sanding paper discs can be convenient for you to go out to carry, and easy to store | 【WIDE APPLICABILITY:】krofaue replacement pads have a wide range of applications. Our replacement sandpaper discs are suitable for most people, men, women, the elderly and so on. And it's easy for novices to use. You can use our foot file discs to regularly remove dead skin, calluses and cracked skin on your feet and keep your skin smooth