Features: Material, the bracelet mold is made out of silicone, flexible and sturdy, easy to release. with its transparent appearance, you can check the casting process at any moment. Dimensions, the bangle mold measures approx 63mm/2.48" in inner diameter, 35mm/14" in height, groove width 6mm/0.24", opening width 33mm/1.3", fits most average sized wrists. Ajustable opening, the opening width of the resin bracelet mold can be expanded or narrowed to your desired size by using any small items or rubber band to control its width. Easy to demold, just twist the silicone resin molds and release your creation out of your bracelet molds after the resin is completely dry and cured. the easiest way to demold is to first peel from the edge slowly. Resin jewelry mold, the resin mold is designed for making bangle bracelets, perfect gift for those who are fond of diy jewelry making projects; the silicone resin mold has the lip around the edge which keeps the resin from leaking onto the edge and creating a lip that you have to sand off.