Give your reclaimed boxes and bags a sturdy, comfy grip by adding wire handles....

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

Give your reclaimed boxes and bags a sturdy, comfy grip by adding wire handles. Use 2-3 mm galvanized wire—it’s strong and resists rust. Drill 3-3.5 mm holes near the edges for easy threading