This super cool water bottle can keep both 350 ml of warm and cold liquid. It also comes with a normal lid as well as a sports lid.The Anker water bottles are made of the best quality steel on the market – 18/8 steel. It has a thermal function and keeps liquids hot for up to 12 hours and cold up to 24 hours.The sports lid is made of PP and is BPA free. Both lids have a handle so they can easily be attached to a bag or a pram. Both lids are completely tight due to the silicone in the lids – which is also BPS free. Material: Stainless steel Dimensions: D7 x H 17 cm  350 ml