6 Sizes: 6 sizes in total, include 8/10/12/14/16/20mm trays, flat round glass cabochons (size about 8~20mm diameter), you could DIY it directly, don't need to spend time to find other accessories.Easy to Use: Find the suitable the glass cabochons for the earrings accessories, put it on the tray and paste it well, and then choose the pattern paper you like, add it on the surface of glass cabochon. Then it is well done.Durable Material: These glass cabochons earrings are made of 316 stainless steel, which is durable and long-lasting to use, safe and not easy to rust, fade or break, lightweight and little burden to your ears, can accompany you long timeWide Usage: Embellish your earrings with your own style via handmade earring. You can use these earrings to make cabochon jewelry for you and your friends, and more important thing is that you can DIY a great gift.Meaningful Handmade Gifts: these jewelry making kits can be applied to make DIY earrings to send to your family, friends, classmates, colleagues, relatives on Christmas, birthday, anniversary, graduation, Thanksgiving, Mother's Day and more occasions.