For the latest version of the Aurora bottle, we have used an eco-friendly titanium called TranTixxii-Eco. The metal reduces CO? emissions and is made from titanium ingots comprising 50 per cent titanium scrap. Furthermore, the cap is made from a combination of TranTixxii-Eco titanium and bioplastic. The water bottle has a capacity of 800 ml. Titanium, Cap/Biomass-based plastic