About products and suppliers
830 21 rings binding products are offered for sale by suppliers on Alibaba.com, of which binding machine accounts for 25%, other office & school supplies accounts for 23%.
A wide variety of 21 rings binding options are available to you, such as colorful, black and white.You can also choose from paper, nylon and pvc 21 rings binding,as well as from office, school, and binding book 21 rings binding, and whether 21 rings binding is waterproof, reusable, or eco-friendly.