5-1/2 pound bag (1 gallon) of white chulla strombus conch shells for sale.  These small white chulla conch shells measure between approximately 1-1/2 inch and 2-1/2 inches and will vary in size, patterns and coloring.  White chulla strombus conch shells can be solid off white or have brown or tan stripes or blotches and anything in between.  No two shells are identical.