Lip-puckering sour blue raspberry flavor Well-known brand for bubble enthusiasts Each cartridge contains 6 feet of gum tape Adults and children alike won't be able to resist the fun experience of eating the Hubba Bubba® Sour Blue Raspberry Bubblegum Tape. This taste bud tingling flavor is packed with the taste of sour blue raspberry for a deliciously tangy chewing experience. Each package contains 6 feet of the bright blue gum tape, and the Hubba Bubba brand is well-recognized as one of the best for blowing giant bubbles.