A group of vape shop owners is backing a newly filed lawsuit challenging Denver's ban on flavored tobacco products, arguing the ordinance is unconstitutional and unfairly targets their industry. (KDVR) Denver's flavored tobacco ban: What voters need to know before November Denver Gazette The decision to ban the sales of flavored tobacco in Denver has lasted for years. Here's why it was on the ballot: https: kdvr.com news local were flavored tobacco sales already banned heres why it was on the denver ballot Denver ban on flavored nicotine products goes into effect as the new year kicks off Denver ban on flavored nicotine products goes into effect with new year