Strong shipping bags made of corrugated cardboard, suitable for brochures, catalogues, magazines, books, mail order catalogues, etc. The secure self-adhesive closure saves time and eliminates the need for other sealing materials. Additionally, the integrated tear-open thread ensures easy removal of the contents. The bags feature extremely stable kink protection due to the strong corrugated cardboard and circumferential edge protection. They are reclosable with a closure clip and provide injury protection through compliance with the US safety standard.