This drink bottle is Food Safe, BPA Free and is Vacuum insulated. This thermal function keeps liquids hot (max 12 hours) and cold (max 24 hours). Volume: 500ml Material: Double Walled Stainless Steel Care Instruction: No microwave or dishwasher / hand wash only Assorted designs to choose from:- Hibiscus Flower & Fantail Birds by NZ local artist Irina Velman Printed on Fantail Birds on Coast by NZ local artist Irina Velman Dahlia & Tui artwork by NZ local artist Anita Madhav Fantails & Camelia artwork by NZ local artist Anita Madhav Printed on Crowned Tui & Flowers artwork by NZ local artist Anita Madhav "Nurture" artwork (Fantail Bird with Cup and Rose) by NZ local artist Angie Dennis "Nest" artwork (Tui Bird with Cup and Rose) by NZ local artist Angie Dennis