Ultra-durable travel mug for hot and cold beverages; 16-ounce/450ml capacity. Each bottle is unique and different from the other due to the bamboo wood. Durable stainless steel double walled interior and Bamboo exterior. 304(18/8) Stainless steel, Bamboo. Perfect for your to-go Coffee and Tea. Leak-proof Drinklock sealing lid. Stays cool to the touch with hot liquids and is condensation-free with cold. BPA AND PHTHALATE FREE: The inside of our bottle is made from food grade stainless steel unlike the plastic lining of lesser quality products. Enjoy hot coffee, tea, soup, water without leaching toxins into your food. Light and compact design for effortless transport and storage. Eco-friendly. Hand wash only.