cellos are clear, high clarity and plain, self seal for ease of use.The bags are acid and lignum-free. The bags are made from bi-oriented polypropylene (BOPP or OPP), see size image for micron. They are suitable for long term storage. Can be used for protection, display or re-sale purposes. Cellophane bags are ideal for manual and automated food wrapping and sealing applications. Also suitable for packing finished tailored cloth, clothes that have been dry cleaned ,bed sheet etc.