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

https://www.emergbook.win/give-your-old-boxes-and-bags-a-practical-upgrade-by-adding-sturdy-wire-handles

Upgrade your reclaimed boxes and bags with 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 wire snugly