2021 Topps Opening Day returns to celebrate some of the best players in the game, with fun/innovative cards.
Features:
2021 Topps Base Set, Outstanding Opening Day® Insert, and Legends of Baseball Insert designs
Opening Day® Parallels of the entire paper Base set — including 1/1 Edition.
Insert Cards – 1 per pack
Collect all 220 Base cards!

BASE CARDS
Collect 220 Base Set cards
Look out for Insert cards from the following sets:
o Outstanding Opening Day®
o Legends of Baseball
o Mascots
o Opening Day®
o Sticker Collection Preview Cards
Also, be sure to chase the following Short Print sets:
o Walk this Way!
o Opening Day® Origins
o Dugout Peeks
o Base Card Variations 
Autograph/Autograph Relics/Relic Cards
NEW for 2021 are Turf War Dual Diamond Relic Cards
o Dual relic featuring dirt from the Front player’s ballpark
Other Relic cards include:
o Opening Day® Relics
o Mascot Relics
o Diamond Relics
o Major League™ Mementos Relics
o Mascot Patch Relic Cards
Randomly-inserted Autograph cards of up to 30 players
o Opening Day® Autographs
o Mascot Autographs
o Ballpark Profile Autographs
Autographed Diamond Relic dirt cards featuring up to 15 players
Mascot Autograph Relic cards featuring up to 10 mascots

2021 BASEBALL - TOPPS OPENING DAY (P7/B36) is categorised TRADING CARDS / BASEBALL / PACKS AND BOXES and sold by l'Imaginaire, a store and specialised website.