Sturdy & Durable Material: These resin silicone molds are made of pure silicone with elasticity, superior high tear strength, etc., reusable, flexible and high transparency Easy to De-mold and Clean: and shiny interior makes it easy to de-mold after it's fully cured and reduces the need to cut back and polish. Or you can use release spray or soap water which may help extend silicone mold's life; clean the epoxy molds with soap water Great Gift and Multi-Purpose: These silicone resin molds are compatible with most casting materials such as epoxy resin, concrete, polymer clay, wax, soap, candle and more, you also can dry flower, pearl pigment, mica , glow in the dark , and sequins into the resin mold to a colorful mold. Perfect for your DIY handwork and give you a resin-making experience Storage and Care: Please your resin molds in room temperature place, keep from direct sunshine Product Features: Silicone Mold Jewelry Tools & Equipments Type: Molds Item Type: Jewelry Tools & Equipments Colour:transparent white Material:Silica Size:Sphere diameter 3/5cm Package Contents: 1x Square mold 1x cylinder mold 2x sphere mold 3x small pendant molds(Crystal column random Style, 't accept the specified Style) Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.