Box size: 10 x 14 x 2.37. Finished Puzzle Size: 19.25 x 26.5. Strong high-quality puzzle pieces. Made from recycled board and printed with vegetable based ink. Sushi is a traditional Japanese dish of prepared vinegared rice, usually with some sugar and salt, accompanying a variety of ingredients, such as seafood, often raw, and vegetables. Styles of sushi and its presentation vary widely, but the one key ingredient is sushi rice, also referred to as shari, or sumeshi