Stay refreshed with this 40 oz. BrüMate Era Fashion Colors, crafted from stainless steel. BevGuard™ insulation ensures your drink stays ice-cold and carbonated for over 24 hours. The screw on U-Turn™ spill-resistant lid with ColdKey™ stainless steel straw offers stress-free sipping and is 100% Leakproof When Locked. Simply Turn The Mode Indicator To The Appropriate Position For Stress-Free Sipping Mode To Open Straw And Sip, Leakproof Mode To Close Straw, Or Cleaning Mode To Clean. Featuring a rubber grip for effortless opening, a comfort grip handle, non-slip base and cup holder compatibility, this BPA-free tumbler meets FDA requirements and is best maintained with hand washing.