Keystone beer is a product of the Molson Coors Beverage Company in Golden, Colorado. It was first introduced in Chico, California in September 1989. Keystone Ice can be found in canned, kegged, and occasionally, bottled form, with 5.9% ABV. Keystone Light has a 4.13% ABV; a concentration less than standard American lagers, and roughly equal to other macro "light" brews. Keystone is a primary sponsor for Brad Keslowski’s number 2 car in the NASCAR cup series