Leakproof and large, the NAV XL is our biggest cup holder friendly tumbler yet. Fully leakproof and insulated to keep hot, cold and carbonated drinks the perfect temperature at home or on the go. BevLock™ Leakproof Lid 24 Hrs Cold / 4 Hrs Hot Left & Right Hand Friendly Cup Holder Friendly No Metallic Taste Specs: Height: 8.8 inch Diameter: 3.98 inch Capacity: 32oz