Abstract: An improved jar and method of making the same. The double walled jar comprises a single piece double walled container, bottom plug, and lid. The container comprises an inner wall structure with open top and a closed bottom. A shoulder portion extends from the outer surface of the inner structure. Sets of threads are located above the shoulder portion about the outer surface of the inner structure. An outer wall structure extends from the shoulder portion, forming a gap between the structures. The terminal end of the outer structure extends past the closed bottom and has a notched channel within the inner surface of the outer structure below the closed bottom. A bottom plug having a portion shaped for a snap fit into the notched channel is used to cover the bottom of the container. A lid is used to complete the container as a jar.

Abstract: An improved jar and method of making the same. The double walled jar comprises a single piece double walled container, bottom plug, and lid. The container comprises an inner wall structure with open top and a closed bottom. A shoulder portion extends from the outer surface of the inner structure. Sets of threads are located above the shoulder portion about the outer surface of the inner structure. An outer wall structure extends from the shoulder portion, forming a gap between the structures. The terminal end of the outer structure extends past the closed bottom and has a notched channel within the inner surface of the outer structure below the closed bottom. A bottom plug having a portion shaped for a snap fit into the notched channel is used to cover the bottom of the container. A lid is used to complete the container as a jar.