Please enter a valid 5 digit zip code. Blood products are perishable, and the only source of lifesaving blood for patients is volunteer blood donors. Appointments are expected to fill up quickly. Winter is Here For seven seasons characters of Game of Thrones have bled for the throne. The Red Cross is a not-for-profit organization that depends on volunteers and the generosity of the American public to perform its mission. The partnership includes blood drives held in 43 states from March , as well as nine college and universities across the U.