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

https://camilassuperwords.readspirex.com/posts/how-do-i-fix-a-bag-handle-hole-that-already-started-ripping

Give your reclaimed boxes and bags a sturdy upgrade by adding wire handles. Use 2-3 mm galvanized wire for strength and durability. Drill 3-3.5 mm holes into the sides for easy threading