Description In a throwback to the campfire mug of past generations, the Miir Camp Cup combines beauty, durability and functionality. Clip it to your backpack and head out to the forrest, or the office! Double wall vacuum insulation and a splash preventing slide-lid keeps your cold drinks cold and hot drinks hot. 355 mL capacity. How it's made MiiR is a design forward and generosity driven drinkware company with a social and environmental mission. A certified B Corp and 1% for the Planet member that is independently owned and operated, MiiR chooses people and planet over the demands of Wall Street. Based in Seattle, Washington, its Product to Project model means every MiiR product sold helps fund trackable giving projects. MiiR partners with some of the most respected nonprofits in the world to create sustainable giving projects supporting clean water, a healthy environment and strong communities.