The Hobby Fun 2007639 21x2.5cm Plaster Plate Silicone Mold is a large-format mold designed to create round presentation plates or decorative trays. Made of reinforced, high-thickness silicone with superior flexibility, it molds an elegant tray with a 21 cm diameter and a 2.5 cm rim. Its flat base and smooth interior ensure perfectly watertight ceramic or plaster pieces with a completely even surface. It is indispensable for artisans to create jewelry organizer plates, candle holders, and platters.