Transporting your hot coffee or tea just got easier with the Kona Express. Prepare your hot beverage, pour it into the 24-oz. stainless steel vacuum flask, place the flask in the duffel, and you're ready to go! The Kona Express duffel is made of black, durable polyester with brown trim and has an adjustable shoulder strap. The flask is vacuum-sealed so the exterior stays cool to the touch. It also has a push-button pour top and a 6-oz. insulated cup with screw-top lid. Enjoy a nice warm beverage any time, anywhere with the Kona Express!