Dual-sided, Two kinds of filesThis foot file is easily replaced, comes with 6 pcs #80and 6pcs #150 of girt replacement pads,suitable for different skin types.WaterproofIt's made with good quality stainless steel.so it can not only withstand great strength, but also waterproof,so you can enjoy your pedicure spa anywhere.Large SizePlease recognize the large size model, the total length is 25cm about 9.8 inches, ergonomic design, making pedicure easier.HealthyDisposable replacement pad avoid bacterial infections, it make your much more healthier and safer when you enjoy pedicure.Directions for use:Step 1: Soak feet in warm, soapy water to loosen fry skin, this makes for easier filing. Without drying feet, simply slough away tough calluses with the safe and effective Callus Remover attachment.Step 2: Run the tool across heels and balls of the feet in a side-to-side motion to easily buff off rough dry skin.Step 3: Thoroughly dry feet. Select the Foot File attachment. File the entir bottom of each foot in a side-to -side motion.Step 4: After filing,moisturize your newly smooth, soft, and perfectly-pampered feet.Step 5: Dispose of any debris collected in the Callus Remover and wosh thoroughly with mild, soapy water.