1991 O Pee Chee OPC Premier Baseball Hobby Box is a factory-sealed collection of 36 packs, each containing standard-sized trading cards featuring players from Major League Baseball. This set, manufactured by O Pee Chee in 1991, includes iconic athletes such as Ken Griffey Jr. The cards are made of durable card stock and are in English language. Perfect for baseball collectors and fans alike, this box offers a nostalgic trip back to the 1991 MLB season with its classic design and sought-after cards.