EdC is a very light type of parfum that is cut with alcohol. The 100 ml packaging is small enough for you to bring in your carry-on on a plane.
From Parfum France
Tommy Bahama Set Sail St. Barts Eau De Cologne Spray M
OnBuy
Tommy Bahama Set Sail St. Barts by Tommy Bahama Eau De Cologne Spray 3.4 oz (Men) V728-456103