Yamato Do's advantages and Characteristics: 1. Yamato Do holds impact of up to 60 cm x 60G (3600KG). 2. Elasticity is increased by 130% of a traditional synthetic material Do. This diminish the impact to your body. 3. By absorbing the moisture from the air, it maintains the integrity of the material for a long period of time. 4. Yamato Do has the shine of a Roiro Do, and is resistant to scratches. 5. The Size of the Do can be easily adjusted to the body, and the shape is kept. 6. Yamato Do has 2 - 4 times more durability compared to the traditional synthetic material Do. 7. Yamato Do comes in 3 different styles in the back: "Plain" and "50 bamboo immitation" The Himos (Strings) are included.