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

https://www.tool-bookmarks.win/give-your-reclaimed-boxes-and-gift-bags-a-sturdy-upgrade-by-adding-wire-1

Upgrade your reclaimed boxes and bags by adding sturdy 2-3 mm galvanized wire handles. Drill 3 to 3.5 mm holes for a snug fit that won’t tear your materials