1Using highquality materials resin glue, no formaldehyde, healthy and environmentally friendly, nontoxic and harmless. 2Two series to choose. Each series have 6 colors. You can diy the nail you want. 3Bright color, easy to paint, can be used for nail decoration, beautify nails, nail DIY. More colors, more choices. 4The brush is fine and you can paint your nails well. For home use, nail salons, etc. 5Both of the color series are so fashionable that they can bring you an extraordinary nail diy experience.