The Ti-lite mug offers innovative versatility for ultra-lightweight cooking systems. Made from the highest grade of titanium available, the mug is incredibly strong and durable. Blasted exterior for a rustic look and feel, polished interior for easy cleaning, holes in lid for straining water, lid knob makes checking food safe and easy. 750 ml weight: 4.6 oz. 900 ml weight: 4.2 oz. Boiler weight: 5.0 oz.