Topps presents the MLB 2020 Chrome Update series mega box. Each box contains 7 packs per box, and each pack contains 4 cards per pack for a grand total of 28 MLB trading cards per box. Look for A Numbers Gam and Decade's Next Inserts, falling 1:4 Packs! | Third Party Marketplace 009 | 2020 Topps Chrome Update Baseball Mega Box | Best Buy