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

https://packagingrevolution.net/add-wire-handles-to-boxes-and-bags/

Give your reclaimed boxes and bags a sturdy upgrade by adding wire handles. Use 2-3 mm galvanized wire for strength and durability. Drill 3-3.5 mm holes to fit the wire snugly without tearing the material