Safety Material: Cute nail foil decals are made of environmentally friendly materials, non-toxic, not limited to any nails, easy to remove with nail polish, you can use it safely. You can design your own unique nail effect. Easy to Use: Press nail foil on nails after applying coloured polish, just a few seconds, you can get the fine nail art design. Suitable for professional and beginners use. (Please refer the description for the detailed steps)