FREE Small Smoothie at Jamba on June 21st Posted On June 21, 2019 Get a FREE Small Smoothie at Jamba on Friday June 21st from 2-5pm! On June 21, 2019, from 2:00 pm to 5:00 pm, participating Jamba locations will provide one free Watermelon Breeze, Vanilla Blue Sky or White Gummi smoothie (the “Promotional Smoothies”), size small, to guests who visit a participating location. The last guest in line at 5:00pm shall be the last guest eligible to receive a Promotional Smoothie. Available while supplies last.[Jamba locations]