... ,44x70mm,44x76mm,57mmx50mm,75X70mm,80x80mm,and so on. Packingby golden paper paper roll:37mmx50mm,37mmx70mm,44mmx50mm,44x70mm,44x76mm,57mmx50mm,57mmx57mm,76mmx70mm,76mmx76mm ... tightness, convenient and practical ;clear caution mark, convenient for use ;worldwide universal core, handsome and practical various specifications of thermal rolls ...