- Inspired by the classic game Tretis, this pair of ear stud is filled with a bunch of colors, making them like rainbow. If you're a Tretis lover you may want this should in your collection. - Each single piece is hand-drawn with colorful pencils, sealed with UV get in case of color fade-out. - Unique ear studs with fresh look. Add a fresh spice into your daily wear collection! - Daily wear. - You'll be loving these ear studs. They are colorful, unique yet full of fashion. They'll definitely make you stand out from the crowd. - Please allow difference due to handmade nature. - Solely handmade, delivering the best quality and look. - Made out of sturdy hard plastic - NICKEL FREE - Material: Shrinky Dinks, UV Gel and Silicone. - FREE shipping within the USA.