cross-border e-commerce amazon a5 strap notebook custom leather business office elastic band printed logo wholesale

yellow sky blue dark blue red green dark green orange pink purple white black white-pen-insert style black-pen-insert style red-pen insert style yellow-pen insert style orange-pen insert style green-pen insert style dark green-pen-insert style dark blue-pen holder style purple-pen-insert style

a6: 95mm x 145mm (80 sheets) a5: 145mm x 210mm (80 sheets)