300 Pcs Nail Swatch Sticks with Number Stickers for Color Display, Clear Square-shaped Nail Polish Sample Swatches with RingThese are great and nice and sturdy for buffing, filing, acrylic, polygel, and detailed nail art, suitable for professional use or practice at home. Using swatches really helps with getting accurate pigmentation of colors, and you can see how many coats a polish really needs to become opaque. nail tester board meet your need, they are awesome for showing the color and display nail gel colors, perfect for nail trial or to showcase colors. Easy To Organize - The metal ring they come with is actually really sturdy and closes tightly so it won't fall open and make a mess. What Will You Get - You will received exactly 300 black swatch sticks, 6 binder ring and 6 numbered stickers as listed.