Eco-friendly and toxin-free, this set includes (32) pieces, (1) wooden stick, and (1) mini nail file. Made with 100% gel polish, it boasts a lasting power of 14 days without the need for a topcoat. Simply cure under a UV/LED lamp for 60-120 seconds, no glue needed. These strips work on natural nails, acrylic, gel nails, and shellac, and are easy to apply and remove. Please note that colors may vary on screen due to lighting and resolution. The lasting power depends on your application and the level of activity on your feet.