Numbered Plastic Seals Security Tags Suitable for trucks, trailers, vans, container door, posting parcels, bags, clothes, shoes, luggages, fire extinguisher, storage boxes, hospital, bank, airline, supermarkets, etc. Disposable Plastic Locks 1. All with sequential serial numbers, no repeat. 2. Once locked, it cannot be opened but breaking to open. 3. Breaking: Scissors or hand-breaking. Customization is Available Warm notes for customizing plastic seal tags 1. Quantity should be at least 1000 PCS for one color. 2. Text can not be too long (better less than 15 letters). 3. If with a LOGO, photo(.JPG format) should be very clear. 4. Printing letters can only be WHITE or BLACK by laser printing.