Features: Made of soft silicone material, flexible, resistant to tearing, durable in use. Easy to release,perfect tools for your diy resin craft projects; each mold has smooth interior, you can release the diy jewelry easily, just twist it and it come out immediately. DIY tips:you can add dry flowers, pearl-pigment,mica-powder,glow in the-dark powder, glitter and sequins into the resin mold to make your diy jewelry colorful and attractive. Wide range of application,3.5cm,6.3cm,8.3cm 3 sizes optional,pyramid mould great for diy making resin jewelry, chakra-orgonite-orgone pyramid, night-light,paperweight, or other craft accessories home decoration. Wonderful gift,the finished products can be sweet warm gift for friend family or yourself. Specifications: Material:Silicone Size:3.5cm(1.38inch),6.3cm(2.48inch),8.3cm(3.27inch) Note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item. Package includes: 1 Piece Pyramid Resin Mold