Give your reclaimed boxes and bags a sturdy upgrade by adding wire handles. Use...
https://www.acid-bookmarks.win/upgrade-your-reclaimed-boxes-and-bags-by-adding-sturdy-wire-handles-for-easy
Give your reclaimed boxes and bags a sturdy upgrade by adding wire handles. Use 2-3 mm galvanized wire for strength and drill 3-3.5 mm holes to fit the wire snugly