With 10 Packs per box, 8 Cards per pack, 10 Mega Box Exclusive Reactive Blue Mosaic Prizms like Prizm, 2019-20 Panini Mosaic Basketball relies mainly on the parallels, but with an added background pattern. The base set features NBA Debut, USA Basketball and Hall of Fame subsets. With a larger base set in play, each Hobby box has five base Silvers and 15 Mosaics. The rainbow also offers Hobby-only Mosaic Gold, Mosaic Black and Mosaic White editions to chase.