1Double-sided design, perfect for finger care, daily life, and salon usage. 2Polish your nails with a manicure file to make your nails look brighter and cleaner, and make your nails more beautiful. 3Mini size and lightweight design, convenient for gripping and carrying, save your space. 4Wear - resistant and durable, do not hurt your nail. 5Great for strengthening your nails and enhancing shine.