Abstract: Embodiments disclose a reusable shipping container. The container may comprise six multi-layered walls of a plastic material. Further, the container may comprise a rail fastened to a top edge of the container with a plurality of first fasteners, wherein the fasteners penetrate on the rail, a first layer and a second layer of the container. Moreover, the container may comprise an insulation layer of vacuum insulation material and an inner layer corresponding to each wall of the container. Methods are also described for packing a parcel for shipment. The insulation layer and the inner layer are inserted into the container, wherein the inner layer encloses the parcel. Thereafter, an insulation layer corresponding to a top wall is inserted and the top wall is closed.