Designed with a vacuum insulated stainless steel double-wall, the bobble is easy to carry and to keep your drinks at the desired temperature. The Bobble Insulate is a water bottle made from top quality stainless steel that keeps your drinks hot for up to 12 hours or cool for up to 24 hours. BPA-Free, dishwasher safe and it features a leak-proof seal. - keeps your drinks hot for up to 12 hours and cool for up to 24 hours. - Durable, vacuum insulated stainless steel double-wall. - The bottle doesn't make any noise. - Its opening is big enough to fit most ice-cubes. - BPA-Free. - Dishwasher Safe. - Designed in the United States and manufactured in China. - 442 ml capacity.