This simple, one-piece polypropylene 9″ pull tight barcode security seal has a low breaking strength and can accommodate larger applications. Provides tamper-evident protection for boxes, cases, fire exit doors, fire extinguishers, first aid boxes and more. Packed 100 per package. For maximum security, these barcoded seals offer a unique sequential numbering system that cannot be rubbed off. Seals are easy to apply and remove without any cutting tools. Seals are matted in strips of 10 for easy use.