Premium Grade Stainless Steel- Foot file are made of premium grade stainless steel which is durable, non-toxic, long-lasting, washable and reusable Non-Slip Handle Of Double Sided Foot File with a Hole- The handle is made of ABS plastic material which is non-slip, easy to grip, and the handle have a hole to hung in the shower easily. Double Sided Foot File- This foot file with fine and rough double sides. Rough side to remove dead skin, and the fine side to smooth over everything on feet. Foot Callus Remover Tool parameter