Hubba Bubba Max Sour Blue Raspberry 18 x 58g. Hubba Bubba Sour Blue Raspberry Bubble Gum is the newest flavor to treat your taste buds. This flavor combines the tastes of sweet-sour-sweet. A sweet, and sour, way to blow your bubbles! Sour Blue Raspberry Bubble Gum The fruitier, sour side of Hubba Bubba Bubble Gum packs big Sour Blue Raspberry flavor. Sour Blue Raspberry bubble gum with a big sour blue raspberry taste. Each individual package contains 5 pieces of Hubba Bubba chewing gum.