Give your reclaimed boxes and bags a sturdy upgrade with simple wire handles....

https://www.bokkmarking-signs.win/give-your-reclaimed-boxes-and-gift-bags-a-sturdy-upgrade-by-adding-wire

Give your reclaimed boxes and bags a sturdy upgrade with simple wire handles. Use 2-3 mm galvanized wire for strength and durability. Drill 3 to 3.5 mm holes where you want the handles to go