Epoxy Jewelry Making Candle Mold: reusable mold, easy to use and clean. Recommend using rubber band to tighten when making sphere resin piece, or you may stick them together with hot glue gun to avoid leakage.High quality plastic molds are reusable, and and the thermoplastics are not easy to break.phere. Round Silicone Mold: flexible, resistant to tearing, durable in use. For liquid clay, UV resin, epoxy resin crafting jewelry projects, baking etc.Specifications:Material: plastic, white transparentSize:Molds diameter: 0.8 , 1.2 , 1.6, 2 ,2.45 x molds Customer service:If you have any questions about our products, you can click the "contact seller" button to send an email to us, and we will reply promptly. Thank you