This cool water bottle can keep 17.6 oz of 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 for 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.