just for me / edge for cup

We will need cups to drink in the public situations. And disposable cups, neither environmental protection nor identify which is yours.
To solve this provlem we design a convenient carrying, easily identified edge which can help us to solve the above problems.It is made of Rubber material so it can be easily stuck to various specifications of cups.It is easily to indentify which is your eage with various colours when you and your friends shared one cup,Using the edge ensure you only thouch your own "edge",.It 's more healther.