Features: U-Turn(TM) Leakproof Straw Lid has three modes for stress-free sips and cleaning Lid is completely leakproof for safe traveling ColdKey(TM) Stainless Steel Straw is removable for cleaning BevGuard(TM) technology keeps your beverages cold for 24+ hours Stainless steel construction offers long-lasting durability Includes a rubber grip that makes opening the tumbler easy without touching the straw Comfort grip handle Compatible with most car cup holders Capacity: 40 oz.