This cool water bottle can keep 520 ml warm or cold liquid. It comes with a normal lid. The Pullo water bottles are made of stainless steel. It has a thermal function and keeps liquids hot for up to 6 hours and cold up to 12 hours. The lid is completely tight due to the silicone in the lid which is also BPS free. Handwash only (Not dishwasher safe). Food approved. For more information on food contact material and declarations on conformity, please use this link: https://oyoy.presscloud.com/digitalshowroom/#/gallery/Compliance (You can search a specific item by entering the item number in the top right search field)