Make a different / packaging

Canned beverage is a favorite of young people, because of its convenience, has become essential for parties. In our daily gatherings and party , it is difficult to distinguish and discern which one is his own drink from the same packaged drink. Based on the pull ring can be rotated,this design add letter marking on the top of can, the user only need to turn ring to the corresponding identity, and inform others of his own letters, so it is very easy to distinguish his and others drinks, and not be confused.