Biohazard are a hardcore band from New York and Slayer are a thrash metal band from California. Biohazard were founded in 1987, Slayer in 81. The bands operated in different worlds and were members of different scenes. But if you like heavy, hard, crazy music like we do, then you probably love them both. And if you love them both, then you'll want to show it off all the time. To help you show off your love, you'll need some stickers to put all over your school notebooks, your fridge, your skateboard, your car, your guitar case, or your bedroom door. These vintage Biohazard and Slayer stickers are in excellent condition.