Give your reclaimed boxes and bags a sturdy makeover by adding wire handles....

https://www.deltabookmarks.win/upgrade-your-reclaimed-boxes-and-gift-bags-by-adding-sturdy-wire-handles-use

Give your reclaimed boxes and bags a sturdy makeover by adding wire handles. Use 2-3 mm galvanized wire for strength and drill 3-3.5 mm holes to fit the handles perfectly