2025 Topps Series 1 Baseball Mega Box Information:

Celebrate the unofficial beginning of the 2025 baseball season when Topps Baseball Series One.

Collectors will find the league’s current stars, greats from the past, and rising rookies featured on base cards, inserts, and autograph and relic cards.

Mega Box Contents:

• 16 Packs per box
• 14 Cards per pack
• 16 Inserts
• Look for Mega Box exclusive Mega Stars inserts and Mega Stars Parallels!
• Chase rare Heavy Lumber inserts!