Upgrade your reclaimed boxes and bags by adding sturdy wire handles for easier...

https://www.red-bookmarks.win/upgrade-your-old-boxes-and-bags-with-sturdy-wire-handles-for-easy-carrying-and

Upgrade your reclaimed boxes and bags by adding sturdy wire handles for easier carrying and a cleaner look. Use 2-3 mm galvanized wire for strength and drill 3-3.5 mm holes to fit the handles snugly