The Onigiri "Line" mold combines three single onigiri (triangle) musubi molds welded together to enable fast production of multiple onigiri at once. This is a small production run. Made of 100% food grade stainless steel for commercial quality. No more worrying about breaking acrylic makers due to rough use, this mold is very durable to withstand heavy usage. The mold and press are folded and welded for strength and durability. It's open design with a separate rice press is similar to making rectangle musubi. fill with rice, press then add middle filling and add more rice then press flat again, then repeat three times. The individual triangles are approximately 1.875 inches deep and 3.25 inches high from base to center peak producing a large musubi. The onigiri line mold enables fast production of three onigiri.