A package coating on at least a portion thereof with a coating, the coating being derived from a coating composition, the coating composition comprising: a) a polyamide imide (PAI) resin, and b) a crosslinking agent comprising an isocyanate material and an epoxy material, wherein the coating composition is substantially free of pyrrolidone solvents.

A coating composition comprising: (a) a polyurethane imide (PUI) resin, and (b) optionally a crosslinking material; wherein the coating composition is substantially free of pyrrolidone solvents. The invention extends to a package coated on at least a portion thereof with a coating, the coating being derived from said coating composition.