Reusable double layer Stainless Steel bottle. Top quality 304 steel, for hot or cold drinks. It does not retain or add odors or flavors. Maintains temperature up to 24 hours. Spill stopper with food grade silicone sleeve. Wide mouth to facilitate filling, emptying and cleaning. Dishwasher safe, it is recommended to wash the lid by hand. Respectful with the environment. CAPACITY: 500 ML WARNINGS: Wash before first use Always use under adult supervision, wash frequently to avoid bad odors