There are several types of Sushi Rolls in Japan. Thin sushi roll is called Hosomaki, while thick one is called Futomaki. The sushi roll in this picture is futomaki, a thick roll of sushi, wrapped in seaweed. There are many ingredients in the futomaki such as cucumber, grilled eel, omelet, crab stick, salmon roes, and dried gourd shavings. You can eat it at sushi restaurants and Japanese restaurants. You can also buy them in supermarkets and convenient stores.