摘要 |
An aspect of the invention provides a container cap. The container cap comprises a cap, a handling outer portion, and connecting walls. The cap has a closed end and an open end. The handling outer portion encloses the cap and including recesses and a plurality of protrusions. The plurality of connecting walls connect an outer wall of the cap and an inner wall of the handling outer portion, wherein the connecting walls are disposed radially. The voids are provided between the outer wall of the cap, the inner wall of the holding outer portion, and the connecting walls. |