IDEAL FOR FRENCH MANICURE: btartboxnails XCOATTIPS French Nails Series brings you netural colors and classic designs. 150/160Pcs nail tips, solid nail gel, builder gel, top coat, nail lamp and nail file contained. You can create your unique design in fewer steps. | PATENTED X-COAT PROCESS: Proprietary technology for these press on nails medium allowing ultraviolet rays through tips and curing the gel glue or solid gel glue, even after the ombre/French/gradient/cat eye design process. | 30+ DAYS LONG LASTING FRENCH PROTECTING DUO: Upgraded nail gel glue plus builder gel, top coat provide ultra-protection for french tips, extend french XCOATTIPS longevity for 30+days, prevent peeling, chipping, fade and cracking.(Both curing needed) | HEALTHY MATERIAL WITH SGS/MSDS STANDARDS: This French tip press on nails kit are in strict production compliance with SGS & MSDS standards. Natural resin, healthy ingredients, no impurities, vegan & cruelty-free, non-toxic and harmless to nail & skin. | SUPER TIME & MONEY SAVING: btartboxnails XCOATTIPS come with pre-applied tip primer & base coat cover. Even beginners can create salon-like nail extension within 20 mins! Moreover, saving lots of time and money both at home and salon. | *****BTArtboxnails Solid Nail Gel Only supports clear nails and XCOATTIPS French Series, Cat eye Series, 2 IN 1 XCOATTIPS Series and Ombre Series. The following products cannot be used. 1. press on nails. 2. Any other nail with color from other brands. 3. XCOATTIPS other solid/plated colors.