SIWA Paper Shoulder Bag. Color: Beige Size: Actual size, opening width approximately 25cm, height approximately 20cm, no gusset. Material: Soft Naoron (Japanese paper) This is a "lunch bag" made from "Naoron," a new type of Japanese paper that expands the possibilities of paper. While retaining the flexibility of Japanese paper, it is durable and does not tear even when wet.