The harsh winter weather, combined with walking or running, or even just static standing, can all cause a number of foot conditions such as painful callous and corn (hard ) -up, so it's no wonder we need to take more care of feet Most people take their feet for granted, until or problems such as blisters or calluses develop. it's important to be kind to your feet and of - problems arise-and to treat existing problems they limit your to function. Use the tool to do regular maintenance is important to keep the corn and callus and provision of appropriate pressure support prevents the overexposure to aggravating pressure forces. Colour:blue Material:PS material +430 steel sheet + sandpaper Size:17 x 3.2 x 2cm Package Contents: 1 x foot file Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.