Sushi Bowl is used when mixing rice with vinegar. Using Japan's indigenous sawara cypress resistant to moisture and acid, it quickly dries extra moisture from the rice.・A groove cut to prevent the copper hoop from slipping is available on order. Available sizes range from 24 to 48cm in diameter.-SIZE-27 Approx. 2合(go) Approx. 24 diameter x 8.5H cm (Approx. 9.4 diameter x 3.3H inches)28 Approx. 2.5合(go) Approx. 27 diameter x 9H cm (Approx. 10.6 diameter x 3.5H inches)29 Approx. 3合(go) Approx. 30 diameter x 9H cm (Approx. 11.8 diameter x 3.5H inches)30 Approx. 5合(go) Approx. 33 diameter x 9H cm (Approx. 12.9 diameter x 3.5H inches)31 Approx. 7合(go) Approx. 36 diameter x 9H cm (Approx. 14.1 diameter x 3.5H inches)32 Approx. 1升(shou) Approx. 39 diameter x 10H cm (Approx. 15.3 diameter x 3.9H inches)33 Approx. 1.5升(shou) Approx. 42 diameter x 10.5H cm (Approx. 16.5 diameter x 4.1H inches)34 Approx. 2升(shou) Approx. 45 diameter x 11H cm (Approx. 17.7 diameter x 4.3H inches)35 Approx. 2.5升(shou) Approx. 48 diameter x 11H cm (Approx. 18.8 diameter x 4.3H inches)