Upgrade your reclaimed boxes and bags by adding sturdy wire handles. Use 2-3 mm...

https://cristiansbrilliantblog.fotosdefrases.com/how-long-should-the-loop-be-for-loop-and-flatten-anchoring

Upgrade your reclaimed boxes and bags by adding sturdy wire handles. Use 2-3 mm galvanized wire for strength and drill 3-3.5 mm holes for a snug fit. This simple fix makes your storage easier to carry and more durable