Sporting a robust 600-card Base Set, O-Pee-Chee perennially features the most comprehensive single-season Hobby set in hockey. The Base Set includes a 100-card high-series subset featuring Marquee Rookies (35), Rookie Season Reviews (15), Team Checklists (31), League Leaders (9) and Season Highlights (10). Look for Blue Border and Red Border parallels, as well as a Retro Variation of the entire Base Set! Collect five Retro Variation cards per box, on average. Collect distinctive O-Pee-Chee Premier Tallboys cards! This special insert set features the best players in the game today, SP 2021-22 rookies and SSP 2020-21 rookie updates on mini (2" x 3.5") cards. Look for Blaster Exclusive Yellow Border parallel cards falling three per box, on average.