A vacuum bag comprises a first panel and a second panel, wherein each panel comprises a gas-impermeable base layer and a heat-sealable inner layer with at least one panel having indicia. The indicia can be informative, decorative, and/or functional, and optionally can be colored so that the indicia can...http://www.google.es/patents/US20050036719?utm_source=gb-gplus-sharePatente US20050036719 - Sealable bag having an indicia for use in vacuum packaging
Sealable bag having an indicia for use in vacuum packaging