18/8 Premium Stainless Steel – made from high-quality, electropolished 18/8 stainless steel that is non-toxic, BPA-free, and durable, ensuring you stay well-hydrated on all your future adventures. Stay cool – or keep things warm. The double-walled, vacuum-insulated stainless steel bottle keeps your water cold for 24 hours and hot for 12 hours. Luxurious Powder Coating – the luxurious, semi-matte finish makes it a worthy companion that travels with you everywhere without compromising your style. Colors that suit you – the award-winning two-tone design is available in 5 colors: Obsidian Black, Monaco Blue, Seaside Mint, and Granite White. No-fuss packaging – the Non-PureVis bottle comes packaged in a simple white box.