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

https://wiki-zine.win/index.php/How_Do_I_Fix_a_Bag_Handle_Hole_That_Already_Started_Ripping%3F

Give your reclaimed boxes and bags a serious upgrade by adding sturdy wire handles. I use 2-3 mm galvanized wire—it’s strong and resists rust. Drill clean 3-3.5 mm holes to thread the wire easily without damaging the material