Our crystal extension nail sets contain acrylate copolymers methyl acrylate/stearyl methacrylate copolymers. It provides comprehensive nail care professional nail polish extension effect and fast curing. Its use method is very simple: 1. Wipe the nail surface with nail polish remover to remove grease and impurities; 2. Choose a nail chip that fits your nail size and keep it handy; 3. Take appropriate amount of nail extension glue and evenly apply it to natural nails with a brush; 4. Gently press the selected nail piece onto the extension glue. You can use LED lights or UV lights to ensure fixation; 5. Sand your nails with a file to get the look you want. Crystal glue high transparency beautiful and natural. It is highly waterproof and will not be affected by swimming or bathing. Nail flakes are available in a variety of sizes to suit a variety of finger shapes.