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

https://wiki-nest.win/index.php/How_Do_I_Add_a_Soft_Grip_to_3_mm_Wire_Handles%3F

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