MSR has taken all the best properties of their favorite backcountry mugs and rolled them into a lightweight, durable and functional design. The MSR Insulated Mug is the best option for your health with hot drinks. The strong stainless steel lining and HDPE lid won't ever leach chemicals or taste and a non slip, EVA foam exterior keep beverages hot not your hands. You can remove the insulated sleeve for easy machine washing and they pack quietly inside all of their Exo, Quick, and Flex cookware as well as most others. Volume 12.5 fl. oz. Weight 4 oz. Dimensions: 4 18' L x 3 38' H.