For the Long Haul - Drinks stay cold up to 12 hours with THERMALOCK Vacuum Insulation;Lend a Hand - Easy one-handed drinking;Eyes Up - Keep your eyes on the task at hand with the convenient pop up straw on this AUTOSPOUT lid;Cleaner Drinking- Protective spout cover keeps out gross dirt and germs;Seal It In - Leak-proof lid (when closed) for on-the-go convenience;Perfect Fit - Fits most car cup holders and under most single serve brewers