AUFO 2 L Outdoor Home Sports Insulated Stainless Steel Thermos Flask Cooling Water Bottle stainless steel Easy for Home and Outdoor life, Safty for day to day carrying Vacuum-sealed double walled stainless steel construction perfectly insulates contents, keeping your drink either piping hot for up to 12 hours or ice cold for up to 24 hours Button opening, easy filling and pouring, sutible for long and short trip keeps sweat and fingerprints off,double well and Vacuum Insulated keeps your bottle from forming condensation on the outside of the bottle. Protection from falling,leak resistant cap with convenient flip straw for drinking on the move!