Thunder Group BASR095JP Sushi Roller, Flat This Flat Sushi Roller (BASR095JP) is brought to you by Thunder Group This sushi roller is made of bamboo and will ensure that every hand roll is executed to perfection They are durable,and bamboo is also naturally anti-microbial Bamboo hasimportant cultural significance in Asian countries; there are many myths and legends surrounding it Bamboo is versatile and is commonly used in creating paper and construction materials