Sustainable, safe and gorgeous! Comes with (20) strips, a wooden stick and mini file. Made of 100% gel polish, no topcoat needed! Lasts 14 days and requires UV/LED lamp for 60-120 seconds. No glue necessary, easy to apply and remove! Can be used on natural, acrylic, gel and shellac nails. Keep in mind, screen colors may differ due to lighting and resolution. Lasting power depends on proper application and handling.