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

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

Upgrade your reclaimed boxes and bags with sturdy wire handles for easy carrying and lasting use. I use 2-3 mm galvanized wire, which holds up well without rusting, and punch 3-3.5 mm holes for a snug fit