The BPA-free travel tumbler has stainless steel outer and inner walls. Double-wall vacuum insulated. Keeps drinks hot or cold for hours (keeps cold up to 18 hours and keeps hot up to 8 hours). Spill-resistant slide lid with rubber gasket. It's sweat-resistant, ships assembled and hand wash recommended. Complies with Prop 65. 6 5/8" H x 3 1/2" Diameter
