Visol"Vortex" Carbon Fiber Pattern Stainless Steel Stellar Flask Gift Set, 6-Ounce The impressive flask was made with a high quality stainless steel has a mesmerizing design The Vortex has a checkered black and white design creates a visual effect reminiscent to carbon fiber This amazing flask can hold six ounces features a captive top Using the stainless steel funnel included in this gift set will make filling the Vortex a breeze There is even a telescopic shot cup included