Made of 18/10 stainless steel. Capacity: 0.5 litres. BPA free. Its leak-proof hermetic screw closure technology and its double wall with intermediate vacuum allow both cold and hot liquids to be kept at temperature for a long period of time (approximately 12 hours). Elegant colors and exclusive designs that fit your style perfectly. Random color. This reusable bottle is perfect for replacing disposable plastic bottles, while also helping to improve the environment.