Black shipping bags with tape closure. Heavy-duty black plastic shipping bags with self-adhesive tape closure. The tape closure on the shipping bags cannot be opened without visible signs of tampering. The heavy-duty quality enables them to withstand rough handling. Suitable for shipping non-fragile products that are already in protective packaging. Address labels with adhesive should be used on the bags; otherwise write with a permanent marker. All shipping bags have a thickness of 45–50 microns. W 25 x H 30 cm. Pack of 100 pcs. W 40 x H 54 cm. Pack of 50 pcs. W 61 x H 70 cm. Pack of 25 pcs. They are also available in gray. There is text on the back with Warning etc.; see photo