Blue Dream JustCBD Vape Oil, is a full-flavored blueberry vape oil. Blue Dream will give you that tangy but sweet taste of blueberries, balancing full-body relaxation with a gentle calming effect. Blue Dream is one of our most popular CBD vape oils at JustCBD. Blue Dream comes in convenient 60ml bottles, and we offer different strengths of 500mg of CBD, 1000mg of CB, 1500mg of CBD, 3000mg of CBD, or 5000mg of CBD which is our most potent oil.