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.
When flying with United Airlines, you'll be allowed 1 carry-on bag, with maximum dimensions limited to 14 inches x 9 inches x 22 inches (23 x 35 x 56 cm). You can check the size at the airport by using one of metal bins at the check-in desk to measure your bags.