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

https://spencermlsy639.huicopper.com/cardboard-sandwich-method-for-bag-handles-how-do-i-hide-the-anchor

Give your reclaimed boxes and bags a sturdy upgrade by adding wire handles. Use 2-3 mm galvanized wire for strength that won’t rust. Drill 3-3.5 mm holes where the handles go to keep everything secure