Give your reclaimed boxes and bags a sturdy upgrade by adding simple wire...
https://www.beacon-bookmarks.win/give-your-reclaimed-boxes-and-bags-a-sturdy-upgrade-by-adding-wire-handles-use-1
Give your reclaimed boxes and bags a sturdy upgrade by adding simple wire handles. Use 2-3 mm galvanized wire to ensure strength and rust resistance. Drill 3-3.5 mm holes where you want the handles, then bend and twist the wire secure