Designed for jewelry making, the rubber casting mold frame offers precision and durability for consistent results. Made from premium Acrylic+Aluminum material. Sizes of 20mm, 25mm and 30mm cater to diverse project needs. Suitable for earrings, bracelets, rings, and necklaces, it ensures efficient pressing when used with a jewelry vulcanizer. This acrylic aluminum frame molding silicone jewelry casting mold for creating high-quality jewelry pieces with precision and durability.