2 Black and Silver Pittsburgh seat covers for a 2002 to 2004 Chevrolet Trailblazer. 100% Polyester seat covers. Machine washable. Cold Cycle drip dry. Hooks and instructions are included to help you install your seat covers. We also make rear seat covers as well along with many accessories for your car Seat covers are made out of 100% Polyester and machine washable on a cold cycle. If you have any questions or concern please feel free to ask.