... sealing strength, non-breakage, non leakage3.Colorful and vivid printing, up to 9 colors4.Moisture proof,light proof,air ... +86-15866979007Note: Quotation offer: Please advise material, thickness, size, printing color, quantity and any other requirements you prefer.Customized service: We ... packaging. There are more than 100 employees in the factory & it occupies an area of over 12,000 square ...