Reddit reviews Olive Drab Air Force Pilot's Flask (1 Pint) by i Kito

Wild Turkey 151 101. Hide a plastic flask in your mitten. Got me through the Jet's game last year.

To be honest, for a moderate amount of use you might as well get one of those $3 Wal-Mart aluminum flasks. It's not going to break, and it isn't particularly ugly. If you want something that's "cooler" then you might try this http://www.amazon.com/Olive-Drab-Force-Pilots-Flask/dp/B004WXCPYA , but it'll probably have BPA.

I use this Pilot's Flask. It is BPA free and did not impart a plastic taste to the bourbon inside.