Japanese sushi are not only the oval shaped sushi, nigiri-zushi (hand pressed sushi). Sushi rolls (maki-zushi) are very popular. Sushi rice and various ingredients are rolled in nori (dried seaweed). Since maki-zushi are wrapped by nori, they are also called nori-maki. Maki means rolling in Japanese.
There are many kinds of sushi rolls. Some common sushi rolls in Japan are tekka-maki (raw tuna rolls), kappa-maki (cucumber rolls), and futo-maki (thick rolls) which include seasoned kampyo (gourd strips), denbu (sweet powder), sweet omelet, cucumber, and more.