Frank Green Ceramic Reusable Bottles are a stylish and eco-friendly way to enjoy your favourite beverage on the go! The innovative combination of ceramic and stainless steel allows optimal beverage flavour, aroma and temperature control, to keep your drink warm or cool for longer. These bottles also come with a smart straw lid for easy sipping, which is spill-resistant when closed. Triple-walled and vacuum insulated BPA free No residual flavour, even when going from coffee to juice to water Spill-resistant straw lid for easy sipping Ceramic inner layer gives the same pure aroma and taste benefits as drinking from a ceramic cup Shatterproof 304 stainless steel outer 595ml capacity Care Hand wash is recommended for the base, however, the lid is dishwasher safe.