The Mansfield Biscuit Lid Only for 3185 Model 3185LID-BISC is a Biscuit 18?x10?. The Mansfield Biscuit Lid only for 3185 Model 3185LID-BISC weighs about 8lb, and is made of a vitreous china with stunning beveled edges. The Mansfield Biscuit Lid Only for 3185 Model 3185LID-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.