The present application provides a packaged aqueous oral care composition comprising a container and a composition wherein the composition comprises at least one water-soluble source of Sn2+ ions and the container comprises an inner surface being at least partially formed from a linear polymer, wherein the linear polymer is a homopolymer or a copolymer of monomers having the structure: wherein R1 and R2 are the same or different and are independently selected from a hydrogen atom, an alkyl group, an alkenyl group, a halogen atom and a nitrile group.