18/8 Kitchen-grade stainless steel construction resists dents Double-wall vacuum insulation keeps your beverage cold for longer No Sweat™ Design prevents condensation to keep your hands dry Elevated, easy-grip handle fits in most cupholders Straw Lids are built to last and have a molded-in stopper that holds your straw in place Lid is crystal clear and shatter-resistant BPA free Dishwasher safe Capacity: 35 oz Empty Weight: 1.5 lbs External Dimensions: 5.1"W x 8.3"H This is the most disappointing item I have purchased from Yeti. Doesn't keep drinks cold long at all. Better for hot drinks but not what I bought this Tumblr for. Again over priced and very disappointing. Perfect color for my school & super fast delivery!