Customized A4 Size PU/leather 3-ring Binder

Customized A4 size PU/leather file/document folder to keep office documents. A 3-hole O-ring binder is one of the most popular binding binders for most file folders. PU leather adds a PVC pocket then gold foil on top is classic.

 https://www.jiang-housepaper.com/products/customized-a4-size-pu-leather-3-ring-binder/