Features: Resin coaster mold set 4 pcs heart shape silicone coaster molds and 1 pcs coaster storage rack mold,keep your coaster crafts organized.making resin coasters is great for beginners and is sure to for dazzle everyone who sees them.let your unique crafts be a memorable gift for family or friends. High-quality silicone material,epoxy molds are made up of silicone with excellent elasticity, superior high tear strength,upgraded silicone molds for resin is easier to use and clean, very flexible and durable. Easy to demold,smooth interior makes silicone resin molds easy to take out without break after it's fully cured and reduces the need to cut back and polish.the finished products are very shiny and smooth like mirror. for Creative diy project, our coaster resin mold is for most resins or other casting materials.depending on your project,you might want to embed items like buttons or other small castings such as butterflies,flowers will work great too.these inspirational diy resin coasters will impress your guests. for Ideal gift,such a great gift for yourself or someone you care about. Specifications: Material:Silicone 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. Package includes: 4 Pieces Heart Coaster Resin Molds+Silicone Coaster Storage Rack Mould