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

https://blast-wiki.win/index.php/Why_Does_Thicker_Than_3.5_mm_Wire_Feel_Impossible_to_Bend%3F

Give your reclaimed boxes and bags a practical upgrade by adding sturdy wire handles. Use 2-3 mm galvanized wire for strength and durability, and punch 3-3.5 mm holes for a clean fit