This bottle is made of double wall, vacuum insulated, copper lined stainless steel, so it can keep your favorite beverages hot up to 12 hours and cold up to 24 hours. The bottle has an ergonomic shaped body and lid that gives you a more secure grip. The lid has a push button to open and close the flow with one handed operation, which makes it ideal for use when you are driving. The raised ready spout has a flat surface below.