INSULATED: double-walled, vacuum-sealed construction keeps drinks cold for up to 24 hours, or hot for up to 6 hours; design prevents condensation from forming on the exterior SMART DESIGN: made from durable, food-safe stainless steel; wide mouth opening makes adding water or ice, and cleaning the interior easy SPECIAL LID: features a chug opening for easy sipping; leak and spill proof when closed RUBBER GRIP: keeps bottle secure in hands and provides comfort CAR CUP FRIENDLY: fits in standard-sized cup holders; 32-fluid ounce capacity