Upgrade your reclaimed boxes and gift bags by adding sturdy wire handles. Use...

https://spencersexcellentcolumn.scriblorax.com/posts/how-do-i-add-a-soft-grip-to-3-mm-wire-handles

Upgrade your reclaimed boxes and gift bags by adding sturdy wire handles. Use 2-3 mm galvanized wire for strength and durability. Drill 3-3.5 mm holes in the sides to thread the wire through easily