Upgrade your reclaimed boxes and bags by adding sturdy wire handles. Use 2-3 mm...

https://wiki-canyon.win/index.php/What_Wrap_Feels_Best_for_a_Handle_That_Gets_Used_Every_Day%3F

Upgrade your reclaimed boxes and bags by adding sturdy wire handles. Use 2-3 mm galvanized wire for strength and drill 3-3.5 mm holes for easy threading