The video shows a person's hands rolling a sushi roll on a bamboo mat. The sushi roll has a layer of black seaweed on the outside, a layer of pink fish in the middle, and a layer of green cucumber on the inside. The person rolls the sushi roll tightly, ensuring that the ingredients are well-contained within the black seaweed. The bamboo mat provides a textured surface for rolling the sushi, and the person's hands move with precision and care.