Japan Mannequin Company offers Sizing Dummies for Displaying Jewellery. Japan Mannequin Company manufactures and supplies Mannequins, Sizing Dummies, Jewellery Display Mannequins, Automated Mannequins, and custom-made Mannequins. The Sizing Dummies for Displaying Jewellery comes with specific parts of the body such as head, torso, lower leg, chest etc. These exhibit superior flesh tone, durability and fine finish. These are made using high quality fiberglass. The range is scratch proof and available in various shapes.