Explaining how caloric intake translates into weight gain is simplified with this graphic and informative display. The jar contains approximately 1 lb. of gooey, yellowish simulated fat, which represents the amount of weight a person would gain in one week if they consumed an extra 500 calories each day. Information on the back of the jar shows how much weight a person could gain in one year as a result of eating certain foods on a daily basis. 4-1/2 in. x 7-1/2 in.