Gray mailing bags with tape closure. Heavy-duty black plastic mailing bags with self-adhesive tape closure. The tape closure on the mailing bags cannot be opened without visible evidence. The durable quality allows them to withstand rough handling. Suitable for shipping non-fragile items that are already in protective packaging. An address label with adhesive should be used on the bags; otherwise write with a permanent marker. All mailing 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 black. There is text on the back with Warning etc.; see photo.