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Calzone is a reusable folding plate made of silicone. We have devised something that can be used as dishware, replacing disposable items such as conventional disposable plates and plastic zipper bags. When going on picnics or hiking, it can be used as a plate or to store snacks instead of zipper bags. Also, it can be folded to store leftover food. As Calzone is made of medical-grade silicone, it is safe to microwave, oven-heat, and store frozen. Calzone will become a sustainable product with a design that is not damaged even if used many times, is harmless to the human body, is convenient, and can be used for a long time with attachment.