This RESEARCH-BASED and ACCURATE product represents the actual amount of tar a smoker consumes in one year from smoking 20 cigarettes a day! � This goo-like substance is conveniently displayed in an environmentally friendly, durable, polyethylene container and is easily stored � Give your students a look at the Deadly Truth About Tar! � Students can easily view the main cause of Chronic Obstructive Lung Disease (COPD) � 2003 NATIONAL HEALTH INFORMATION AWARDS WINNER � SOLD INDIVIDUALLY * (Custom Options are NOT Available)