This 20 oz 18/8 vacuum insulated, copper-lined stainless steel tumbler tapered construction to fit standard auto cup holders. It has a shatter-resistant screw-on acrylic lid with slide matching the body of the tumbler Leak-proof silicone gasket. A wide mouth for ice cubes and other ingredients , sweat-free powder-coated exterior. Hot up to 8 hours/cold up to 24 hours, BPA free
