There are 2 sizes, 120x40mm/4.72x1.57in ,118x36mm/4.65x1.42in, pick your own. You can add your favorite materials to create unique make crystal resin tower artwork. tear-resistant silicone , which has excellent elasticity,easy to demold but not easy to deform, to be applied for long for time. Our crystal resin molds are for ideal for anyone who loves , you can make various resin crystal. Giving as a to your or families on birthday, Christmas, Mother's Day and Halloween.