For serious caffeine intake, the Hydro Flask 20 oz Wide Mouth with Flip Lid is great for road trips or treks, when you need plenty of whatever youre drinking. Keeps beverages hot or cold great for hot lattes or cold brews too. 20 oz size aligns with your favorite coffee shops venti size drink. TempShield double wall vacuum insulation. Flip top sip lid snaps securely closed to prevent spills, keep in heat. Stays hot up to 6 hours. Stays cold up to 24 hours. BPA free. Proprietary powder coat. 188 pro grade stainless steel. Volume: 20 fl oz 592 mL. Mouth Diameter: 2.28 in 58 mm. Bottle Width: 2.91 in 74 mm. Bottle Height: 8.3 in 210 mm. Wt. 10.8 oz 298 g.