421 double o binding ring products are offered for sale by suppliers on Alibaba.com, of which other office & school supplies accounts for 76%, binding machine accounts for 9%, and clips accounts for 1%.
A wide variety of double o binding ring options are available to you, such as colorful, black and white.You can also choose from plastic, metal and paper double o binding ring,as well as from office, school, and binding book double o binding ring,And whether double o binding ring is ring, {2}, or {3}.