© 1999-2012 RoFo Enterprise, Corporation  All Rights Reserved.
RoFo Headgear are protected under Patent #5966743 of the United States of America http://www.uspto.gov or [See the Patent]
RoFo Headgear is made of light-weight, food grade quality plastic. Each empty unit weighs approximately 1 pound...
Filled with 2 liters, 67.6 fl oz., equaling about 51/2, 12 fl oz. glasses of beverage, weighs around 4 pounds.