It has been improved in the aspects of aesthetics, portability, functionality and practicality. In terms of aesthetics, use pure color system, to create a simple tone of restraint, return to nature. The texture design of the cup cover is different from the Jar design on the market. The geometric abstract texture can taste the infinite beauty of design in simplicity. On portable, Yami with a lightweight design, one-hand grasp of the size, to meet the use of capacity at the same time, to the greatest extent to protect the portable.