Cala Dual-Sided Callus Remover features a coarse metal surface for effective removal and a smooth surface for smoothing out the skin. The Sleek handle provides the utmost comfort and control, leaving feet soft and smooth. Easy-to-clean design. Travel Friendly Stainless steel resistant to corrosion. Effectively removes calluses and beautifully smoothes feet Soft handle for comfort and control grip. Care & Cleaning: Spot or wipe clean Features: Features both coarse and smooth surfaces to remove calluses and smooth skin Tip & Tricks: Glide coarse service across the feet to remove thin layers of hard, dead skin. Followed by smooth service to smooth out the skin. Caution: Do not use on open wounds, if you suffer from diabetes, hemophilia, or if you have circulatory problems.KEEP OUT OF REACH OF CHILDREN.