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.
The most commonly allowed size of carry-on luggage is 56 x 36 x 23 cm (22 x 14 x 9 inches) including all handles, side pockets, and wheels. This varies by airline with some allowing slightly larger or smaller bags, so check with the airline you plan to travel with.