; and (ii) any registered or unregistered trademark. (5) Plastic (A) In general The term plastic means a synthetic or semisynthetic material that is— (i) synthesized by the polymerization of organic substances; and (ii) capable of being shaped into various rigid and flexible forms. (B) Inclusions The term plastic includes any coating or adhesive described in subparagraph (A). (6) Product line The term product line means a group of related products marketed under a single brand name that— (A) is sold, offered for sale, or distributed by a distributor in the United States, including through an internet transaction; and (B) is used by the distributor for the purpose of distinguishing those products from other, similar products for better usability for consumers. (7) Retailer (A) In general The term retailer means an entity located in the United States that— (i) engages in the sale of beverage containers to a consumer; or (ii) provides beverage containers to an individual or entity in commerce, including provision free of charge, such as at a workplace or event. (B) Inclusion The term retailer includes an entity located in the United States that engages in the sale of, or provides, beverage containers as described in subparagraph (A) through a vending machine or similar means. (8) Single-use The term single-use , with respect to a beverage container, means that the beverage container is routinely disposed of, recycled, or otherwise discarded after 1 use. (9) Toxic substance (A) In general The term toxic substance means any substance, mixture, or compound that— (i) may cause— (I) personal injury or disease to humans through ingestion, inhalation, or absorption through any body surface; or (II) adverse impacts on the environment