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.
Quick Answer. The maximum size for under-seat carry-on bags on American Airlines is 45 linear inches, and size restrictions vary depending on the airline and its plane model. The space under the seat of the American Airlines 737-800 plane is 20 inches wide by 17 inches deep by 11.75 inches tall.