Cupholder Friendly: Tapered shape with handle makes it the ideal cup -- Take Us With You wherever you go. Leak Resistant: Comes with straw lid to prevent spills. Double Wall Insulation: Keeps beverages hot or cold for hours. Durable: Made of premium 18/8 stainless steel. Lifetime Warranty.  See Manufacturer for details. Hot for 12 hrs, Cold for 24 hrs Quarter Turn Lid Technology Durable 100% Stainless Steel Double Walled Insulation MOUTH 3.5 in HEIGHT 10.1 in WEIGHT 20.3 oz BASE 3.0 in