The Mansfield White Lid for 106 Tank (Lid Only) Model 106-LID-WHT is a white 19?x9? lid for a tank Model 106. The Mansfield Biscuit Lid for 106 Tank (Lid Only) Model 106-LID-BISC weighs about 8lb, and is made of a vitreous china. The Mansfield Biscuit Lid for 106 Tank (Lid Only) Model 106-LID-BISC comes with a limited Mansfield lifetime warranty. Mansfield is an American company that?s been in business since 1929, and has been one of the top producers in design, and quality for the past 80 years. They are the largest domestic producer of sanitary ware, and strive to ensure you get the best products available.