A pressure resistant plastic bottle for containing and dispensing an aerosol composition. The plastic bottle is comprised of a hollow elongate body having a central portion, a top portion and an opposite bottom portion with the central portion having an inwardly concave configuration extending along its longitudinal direction. The bottom portion of the elongate body is integral with the central portion and defines an outwardly projecting convexly shaped configuration. The top portion of the bottle is integral with the central portion and has an outwardly convex configuration extending along its longitudinal direction and defines a neck having an opening for receiving and dispensing the aerosol composition. A closure covers the opening and is sealingly attached to the neck to contain the aerosol within the plastic bottle.