1 Raw shrimp should be firm, translucent, and somewhat shiny, with no noticeable odor. Most of the time, raw shrimp will have the legs and shell, and often the head attached.  Frozen shrimp, cooked or raw, should be defrosted in the refrigerator overnight, before attempting to clean or devein them.
Most airlines in the United States, including American, Delta and United, allow carry-on bags that are no more than 22 inches long, 14 inches wide and nine inches high.
Such items can be small suitcases or other styles of luggage and airlines regulate these items by size. For example, on U.S. Airways, your carry-on bag can be no larger than 9 by 14 by 22 inches. On Virgin America and Southwest Airlines, your bag can be as large as 10 by 16 by 24 inches.