This Thermo Bottle for liquids is made of 18/10 Stainless Steel. Its leak-proof screw cap technology and double wall with intermediate vacuum allow it to maintain the temperature of both cold and hot liquids for a long period of time (approximately 12 hours). Capacity: 0.35 liters. Elegant colors and exclusive designs that perfectly match your style. This reusable bottle is perfect for replacing single-use plastic bottles, also helping to improve the environment.