Most pilots come to learn that an essential part of preflight is making sure that caffeine is readily available. Not just for coffee, the 16 oz Flight Outfitters Travel Tumbler will take you from home to airport to cockpit, and will fit in most cupholders you encounter along the way. The tumbler has a screw-on lid with a silicone gasket plus a flip-top drink opening, for the always important one-hand use. When a cupholder isn’t handy, the non-slip bottom will keep your mug in place. We’ve even added transponder codes for a great talking point with your non-aviation friends.