Pay attention to process, transportation and storage： One type feature of BOPA is easily absorbed moisture, this will effect the using when film humidity is too great, so you must finish to process as soon as possible after opening it's package, you must tightly package the printed film by aluminum film, and soon composite it. Our advice: Don't process the BOPA film when the environment humidity exceed 75%RH, it may affect the product quality. Other, in course of carrying, loading and unloading, you must avoid to impact, directly sun, drench, you must deposit the film in shady, cool and dryness place.