There is nothing more tactical than strategizing your exit plan in the case of an armed intruder scenario while sipping hot chocolate with tiny marshmallows in it from an all-black mug. You won't give up the element of surprise with the CrossBreed Holsters Tactical Mug. It’s a coffee mug, that’s black…. With a black logo... So yeah, pretty tactical. The CrossBreed Holsters Tactical Mug has an 8oz capacity.