Tribe Provisions Stainless Steel Water Bottle - Standard Mouth, 34oz (Grey) CAPACITY - 34oz capacity with a standard 1.75 inch opening. Insulated, screw-top lid. COLD & HOT - Double walled, vacuum sealed insulation keeps liquid hot up to 12 hours and cold up to 24 hours. GRIP FINISH - HydeTech rubberized coating improves grip, feeling good to the touch. Not cold to the touch and the bottle won't sweat. Holds permanent marker: design it! ECO-FRIENDLY - BPA Free, stainless steel construction. Stop using plastic water bottles. WARRANTY - We stand behind our products. Compare us to YETI, Hydro Flask, Klean Kanteen or any other bottle.