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

https://www.active-bookmarks.win/upgrade-your-reclaimed-boxes-and-bags-with-sturdy-wire-handles-for-a-practical

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