USES and advantages and disadvantages:Mainly used for packing invoices, magazine documents, samples, clothing, socks, towels, stationery,Cosmetics, facial mask, small jewelry, and so on,Tear off the seal can be sticky, easy to use, save time and effort. Beautify appearance, waterproof inner layer when mailing. OPP materialIt's very bright, but it's not tough, it's brittle.