1Magnetic closure design, the opening and closing positions are automatically attracted by magnets, simple and convenient. 2Just place the color number sample in the designated position, and your customers can easily choose the color they want, can accommodate 36 different nail polish color numbers. 3Book shaped design, light weight and portable, easy to carry, saving a lot of space, easily display your nail polish color. 4Customers can easily compare nail tip of different colors to choose the desired color, important accessory for nail salon. 5Made of high quality material, safe and ecofriendly, firm and stable, reusable and durable for long term use.