| 摘要 |
PURPOSE: An envelope cup is provided to prevent unnecessary waste of resources of by preventing a user from taking out many cups at a time. CONSTITUTION: An envelope cup comprises protrusion parts formed on the top end and low end of the envelope cup. A user can easily take out envelope cups using the protrusion part. The protrusion part is formed in the shape of a trapezoid in the upper and lower ends of the envelope cup. The protrusion part is folded to the outside and is wrapped in a paper cup box while being folded. |
