2021 Topps Chrome WWE Slam Attax put chromium technology on the trading card game for the first time as a standalone set.

2021 Topps Chrome WWE Slam Attax Wrestling checklist delivered 200 cards in the main set.

This included subsets for the 100 Club, 25th Anniversary, PPV Boosters, Stars of 2021, WWE Icons, WWE Legends, and WWE Superstars subjects as well as a range of autograph (AUTO) cards and limited edition parallels.