Prima Marketing-Iron Orchid Designs Vintage Art Decor Mould. These silicone moulds can be used with air dry clay, polymer clay, earthen clay, hot glue and more. Create unique designs for embellishing mixed media projects, wooden objects, home decor pieces, even jewelry. This package contains one 8x5 inch silicone mould with five cavities. Design: Escucheons #2. Imported.