General description The 16 Pack Big DIY Round Coaster Silicone Mold is designed for casting with resin and cement. Each mold has a diameter of 3.94 inches (10 cm) and is made from high-quality transparent white silicone, ensuring durability and flexibility for easy demolding. Technical specifications Diameter: 3.94 inches (10 cm) Material: Silicone Package Contents: 16 x Round Silicone Mold Measurement allowed error: +/- 1-3 cm Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.