Topps presents the 2025 MLB Chrome Update Series Mega Box. Each box contains 7 packs with 6 cards per pack. Look for Exclusive Topps X-Fractor Parallels! Keep an eye out for Retail Exclusive Chrome Autographs Green Refractor Parallels as well as many other vibrant Chrome Color Parallels! Look for Rookie Debut Patch Autograph! Content may vary. Cards imaged are not guaranteed.42 Total Cards7 Packs Per Box6 Cards Per PackContent May Vary