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

https://www.charliebookmarks.win/give-your-reclaimed-boxes-and-bags-a-sturdy-upgrade-by-adding-wire-handles-made-1

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 to thread the wire through cleanly