Ideal for camping enthusiasts, environmental households, health concentrated users seek efficient hydrations solution during active lifestyles Perfectly sized for backpacking trip, backyard barbecues, or use – its 350ml capacity fit standard cup holders and organizers pouches Crafted from premium metal, this portable mug unmatching durability, resistance, and stackable design for space efficient outdoors adventure Features a unseamed crafting technology for leak proof, with food grade component ensuring safe use for both hot / cold beverages while maintaining original drink flavor The innovative design allows multiple mugs to compactly store together, while the metal finish withstands outdoors use without retaining odors