Give your reclaimed boxes and bags a sturdy, fresh upgrade by adding wire...

https://avasnewinsights.inkharbory.com/posts/will-floral-wire-work-for-a-storage-box-handle-or-will-it-snap

Give your reclaimed boxes and bags a sturdy, fresh upgrade by adding wire handles. Use 2-3 mm galvanized wire for strength and rust resistance. Drill 3-3.5 mm holes to thread the wire easily without damaging the material