Gentle on the environment and safe for you: (32) pieces, (1) wooden stick, (1) mini nail file. Made with 100% gel polish that can last 14 days, no topcoat or glue needed. Requires a quick 60-120 seconds under a UV/LED lamp to cure. Easy to apply and remove, and suitable for natural, acrylic, gel, and shellac nails. Keep in mind, colors may vary due to lighting and screen resolution. Long-lasting results depend on proper application and how active you are.