Each sealed box contains 18 packs of 8 cards including ONE Autograph card, 1 Silver Prizm, 10 Mosaic Parallels, and 1 Rookie Variation card. *New to baseball for 2021, Mosaic promises to deliver all the fan favorites and up-and-coming stars on one of our most popular opti-chrome designs! *Look for a 100-card autograph checklist featuring multiple budding superstars like Ke'Bryan Hayes, Dylan Carlson and Nate Pearson along with established stars like Gleyber Torres and Rafael Devers in Quick Pitch Autographs *Look for beautifully designed insert sets like Field Vision, Locked In, Rookie Debut and more! PRODUCT BREAKDOWN: *ROOKIES QUICK PITCH BLUE/BASE SILVER PRIZM/ROOKIES QUICK PITCH PINK: Base and Rookies combine to create a massive 280-card base set with 8 parallels (6 of which are Quick Pitch exclusive), giving collectors plenty to hunt for! *INTERNATIONAL MEN OF MASTERY QUICK PITCH: Today's game is a melting pot of culture and International Men of MASTERY aims to showcase 15 players that come from all over the world to play! *FIELD VISION QUICK PITCH: Nothing gets by these 12 players in Field Vision, as these guys are known as some of the finest defenders in the game *LOCKED IN QUICK PITCH: Locked In is a 6-card set that contains a few hitters and pitchers who seem to always be on top of their game *QUICK PITCH AUTOGRAPHS: Mosaic Baseball has a 100-card autograph checklist featuring multiple budding superstars like Hayes, Carlson and Nate Pearson along with established stars like Gleyber Torres and Rafael Devers in Quick Pitch Autographs