A ball-shaped cup with beautiful appearance and high sealing performance is composed of a cover and its steel sleeve, an internal container with varying diameters and smooth transition between the segments with different diameters, an external body with a ball-shaped segment and an extended segment, an external steel sleeve for said extended segment of external body, a bottom cover, and an air layer between said internal container and external body. The surface of said ball-shaped segment has the stripes the basketball football, baseball, golf, volleyball, or ping-pong ball has. |