Tea bags mainly in small packaging and gift packaging small package tea for the convenience of customers, according to the number of grams of small package quantitative conducted to bubble tea bags to packaging. Plastic composite film with light, unbreakable, heat sealing is good, affordable, and many other advantages, is widely used in the packaging. Composite film for packaging of tea, there are many, such as moisture-proof cellophane / polyethylene / paper / aluminum foil / polyethylene, biaxially oriented polypropylene / aluminum foil / polyethylene, polyethylene / polyvinylidene chloride / polyethylene, composite film has excellent gas barrier properties, moisture resistance, Paul fragrance, anti-odor. Since most plastic films have 80% to 90% of the light transmittance, the transmittance is reduced, the packaging material may be added to reduce or inhibit the ultraviolet light transmittance by printing, the colored. In addition, in order to be used as the basis for vacuum aluminum foil or a composite material to be shielded packaging. Composite film bag a variety of forms, there are three seal-shaped, self-reliance bags shaped, folded shape. Since the composite film bag with good printability, with its sales package designed to do, to attract customers and promote sales of tea also has a unique effect.