3 Styles:3 different styles of finger rings,1 pcs/sytle, a total of 3 pieces,different styles to meet your various jewellery design needs,you can make jewellery for your own use or gift to family and friends. 3 Sizes:3 sizes in total,1pcs/size.The trays are about 9-18mm wide,17-17.5mm in inner diameter.The rough ring can be adjusted to fit most sizes, so don't worry about whether it fits you. Wide Application:The finger ring blank base can be used with cabochons or anything else, you can glue different patterns or jewellery such as gemstones, pearls, dried flowers on the round tray to create unique rings. 304 Stainless Steel:Made of 304 stainless steel, which is very shiny,durable and safe to wear,not easy to rust,fade or break like jewelry made of other metals, so it can can accompany you for a long time. Easy To Use:Simply place your favourite dots and photo underneath the glass circle, then drop a little glue into the blank frame tray, cover the circle with the photo, wait a few minutes, and you're ready to create a beautiful ring for yourself or friend.