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

https://wiki-burner.win/index.php/Does_Painting_Holes_With_PVA_Glue_Actually_Stop_Tearing%3F

Give your reclaimed boxes and bags a sturdy upgrade by adding wire handles. Use 2-3 mm galvanized wire for strength and thread it through 3-3.5 mm holes drilled near the edges