Do you remember the days of styrofoam Jamba Juice cups? That all changed in 2013 when Jamba Juice decided to switch to plastic cups in an effort to be more eco-friendly. Now we know that plastic cups are harmful to the environment and that there are now compostable options. There are Jamba Juice locations that serve using paper cups, but plastic cup are still being used in many South Bay locations. It is almost 2020, do you think there should be a change in the cups Jamba Juice serves?