To stiffen the front of an obi. Insert into obi fold at the front to stiffen obi and prevent creasing and keep shape of obi while moving. We also have a new lightweight extra-breathable 'summer' obi ita (with a pocket).
A - short: 14" (36 cm) x 5.75" (14.5 cm)
B - long: 17" (43.5 cm) 6" (15 cm)
C - long with stretch belt
Made in Japan