Features: Soft silicone material,the resin coaster molds are made of silicone with glossy surfaces,the resin casting molds are very flexible, easy to demold, reusable, easy to clean. Wide application,this resin mold is perfect size for making various decorative ornaments,such as agate coasters,bowl mat,dish mat,spoon rest,jewelry holders dish,candle holders. Diy project, the silicone resin molds are for most casting material such as epoxy resin, uv resin. you can add some resin pigment, resin dye to create personalized art craft projects in differnt ways. Wonderful gift,such a great gift for yourself or someone you care about. using these silicone resin molds to make personalized geode agate pieces for your family, friends for unique christmas gifts. Unique design ,square/round resin mold set ,glossy ,beautiful ornaments for wedding ,home ,office ect. Specifications: Material:Silicone Package Includes: 8 Pieces Coaster Resin Molds note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item.