<b>Advantages:</b><br> Self-adhesive design, no need glue.<br> Easy to paste it, just need to tear off protective layer.<br> Easy to remove after using, ensure one people one disk, more healthy<br> The diameter is 1.69 inch/4.3cm, compatible with most of electronic foot file.<br> Unique 60 grit super coarse, easily remove dead dry hard crack skin from your feet or heel.<br> The most important is, 30 days money back guarantee without reasons, buy with confidence.<br><br> <b>Package includes:</b><br> 1 x Box replaceable sandpaper pads (60pcs)<br> <br>