This weekend, Wiley Roots Brewing Co. and Something Brewery are holding a duel release of two new stouts, but they are only being sold as a pair.

The first beer is Wiley Roots’ Two Headed Monster Hazelnut Coffee Imperial Stout brewed with the brewery’s Mean Beans Monstah imperial stout as its base with cold-steeped coffee sourced from NoCo Coffee Co. In addition, the release will include Brighton, Colo.-based Something Brewery’s Oreo Coffee Imperial Milk Stout brewed with cold-steeped coffee sourced from NoCo Coffee Co and 100 pounds of Oreo cookies.

“These beers can be enjoyed separately or blended together to created the legendary Two Headed Monsta! – Hazelnut Coffee Oreo Imperial Milk Stout!” reads a post on Wiley Roots’ Instagram page.

According to a Wiley Roots, Two Headed Monster Hazelnut Coffee Imperial Stout and Oreo Coffee Imperial Milk Stout will both be packaged in 19.2-ounce cans are only being sold in a two-pack priced at $22 that will go on sale on Sept. 8 at both breweries.