Give your reclaimed boxes and bags a sturdy upgrade by adding wire handles. Use...

https://beausuniquechat.zenbloomer.com/posts/what-drill-bit-makes-clean-holes-in-cardboard-for-wire-handles

Give your reclaimed boxes and bags a sturdy upgrade by adding wire handles. Use 2-3 mm galvanized wire for strength and durability. Drill 3-3.5 mm holes into the sides for easy threading