2025 Panini Mosaic Football Mega Box (Reactive Yellow Parallels!). Each Box contains 10 Exclusive Reactive Yellow Parallels and 3 Other Parallels, on average! Panini presents the 2025 NFL Mosaic Football Trading Card Mega Box! Look for Parallels including Mega Box Exclusive Reactive Yellow! Look for the Ultra-Rare Inserts including Stained Glass, Micro Mosaic and More! Configuration: 6 Packs Per Box, 7 Cards Per Pack , 42 Cards Per Box. New/FACTORY SEALED- UNOPENED