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

https://blogfreely.net/rothesqlmw/how-do-i-keep-wire-handles-from-rusting-if-i-store-boxes-in-a-basement

Upgrade your reclaimed boxes and bags with sturdy wire handles for easy carrying and long-lasting use. Drill 3 to 3.5 mm holes near the edges and thread through 2 to 3 mm galvanized wire