ring binder 1)paper material ,2,3,4ring binder 2)custom design is welcome Paper ring binder1) Size: according to clients' specific requirements2) Color: Pantone colors ... and 157g art paper,offset paper for the pocket3) 4C/0C printing with customized logo and design2,3,4 ring binder for holding fileRemarks ... ,This folder is used for file holding,office,school etc. Paper ring binder