Feature: One Kit including 1 round ring mold,1 square ring mold and 50 pieces ring diy material Ring Mold Made of Clear silicone which is flexible, resistant to tearing, durable and reusable, quickly resile after pull or pinch, which help you easily pull your object out from the mold There are 8 different size rings molds kit, inside diameters of rings are 15mm, 16mm, 17mm,18mm,19mm,20mm,21mm,22mm. The silicone molds are easy for you to pull thing in with the droppers and pull out easily, also they can be cleaned quickly The resin jewelry molds can make a good shape for rings use with resin, polymer clay, gum paste, pmc, wax; You also can add some beads, glitter, colors and patterns as decoration. Type: Mold Material: silicone Color: white Round Ring size: Inner Diameter 15mm, 16mm, 17mm,18mm,19mm,20mm,21mm,22mm. Fininshed Product size :US Size 5-12 Round Ring size: Inner Diameter 17mm,18mm,19mm,20mm,21mm,2mm Us size 7-12 Type: Ring Material Model:1,2,3,4,5,6,7,8,9,10 Material: PVC Color: Clear Size: app.7 x 0.6 cm/2.8 x 0.24 in Quantity: 50 Pcs.(Styles at random) Note: 1.Please stay away from sharp objects 2.Please prevent children from using it alone Package includes: 1 Pc x Round Ring Silicone Mold. 1 Pc x Square Ring Silicone Mold. 50 Pcs x Ring DIY Material(Style at random)