What is deep rock galactic mugs?

As an AI language model, I do not have any knowledge about merchandise or information that is currently out of the database. However, based on general knowledge, Deep Rock Galactic is a cooperative first-person shooter game that involves players taking on the roles of dwarves who must work together to mine resources and fight off alien creatures. It is possible that there may be merchandise available for the game, including mugs featuring images or logos from the game. These mugs may be sold through official channels such as the game's website or through third-party retailers.