Customers around the world, first version introduced already in 1998. Modern multi-purpose pull-up-type seal made of high quality food grade polypropylene, equipped with a galvanized spring steel locking insert. Used successfully for securing boxes and bins, hatches, doors, lockers etc. Because of its narrow, smooth band it is also suitable for small openings with low diameter sealing holes. Recommended minimum hole size 2,5mm. Unique consecutive numeric identification with eight digits laser marked on flag label. Optional customization with corporate name, logo or barcode and two additional stickers on backside of the flag available.