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

https://wiki-wire.win/index.php/Are_Parallel-Action_Pliers_Worth_It_for_Bending_Wire_Handles%3F

Give your reclaimed boxes and bags a solid upgrade with simple wire handles. Use 2-3 mm galvanized wire for strength and durability. Drill neat 3-3.5 mm holes to thread the wire through, creating sturdy, easy-grip handles