Features: The resin silicone mould with good transparency are made of flexible and durable silicone, which keeps the shape well, designed with smooth interior surface, won'for t destroy the integrity of finished product. The rectangle tray resin moulds are capable of paperweight, terrarium necklace pendant, crystal block, preserved flower, interior design, jewelry, DIY crafts, soap making and etc. Large and deep enough to embed real dried flowers or plants specimens for different purposes, thus to create a large number of handicrafts. A good choice for handmade some interesting, meaningful, special gifts for your friends and family. Just twist the silicone resin molds and release your creation out of your molds after the resin is completely dry and cured.The easiest way to demold is to first peel from the edge slowly. Specifications: Material:Silicone Shape:Rectangle,Square Size:Approx.15.5x5.5x5.2cm/6.1x2.17x2.05in,18.5x8.5x6.2cm/7.28x3.35x2.44in,10.5x8.2cm/4.13x3.23in Net Weight:100-150 Package Includes: 1x Epoxy Casting Mould note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.