Transform your old boxes and bags into sturdy storage by adding wire handles....

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

Transform your old boxes and bags into sturdy storage by adding wire handles. Use 2-3 mm galvanized wire for strength and drill 3-3.5 mm holes for a snug fit