Give your reclaimed boxes and bags a sturdy upgrade by adding wire handles....

https://miasimpressiveperspective.quantlynix.com/posts/what-is-the-best-way-to-reinforce-a-handle-hole-on-a-paper-bag

Give your reclaimed boxes and bags a sturdy upgrade by adding wire handles. Using 2-3 mm galvanized wire, you can create strong grips that hold up to regular use. Punch 3 to 3.5 mm holes for easy threading and a secure fit