Product description: Size: 10.7*6.5*3cm Material: plastic glass Color: gold, blue, purple Package content: 1*Nano glass foot grinder 1.FUNCTION: Great for heel repair, the glass foot scraper files can exfoliate the skin and remove callus, corns and dead skin gently and effectively, making your foot smooth and soft, giving a comfortable and enjoyable foot caring experience. 2.Wet and dry callous razor Whether you are taking full care of your feet while bathing or showering, resting on the sofa after a foot bath, or watching TV, you can use this callus remover that is very easy to use and won't waste your time. Our callus remover is waterproof and rust-free. You can safely care for your feet anytime, anywhere. 3.CONSIDERATE DESIGN: Cute shape and small design, the glass pedicure file adopts oval shape for easier holding, you will love it and enjoy it when at home or traveling. 4.Easy to clean After use, all you can do is rinse the item with water, and the whole can be washed with water. Unlike most pedicure tools, this device does not require electricity. You don't have to consider buying expensive replacement blades, and you don't have to worry about using the callus remover when it is wet to endanger your life. Compared to any other electric callus remover, this is your first choice 5.WIDE USAGE: Gives equally good results on both dry and wet foot surfaces that allows the user to work according to their own preference and satisfaction. Giving equal good results on both wet and dry foot.