Each Box contains 1 Base Set - Red Border parallel card, 6 Base Set - Blue Border parallel cards, 4 O-Pee-Chee Playing cards, at least 3 numbered Base Set parallel, Base Set Retro Variation parallel cards, 3 O-Pee-Chee Premier cards, and at least 1 Rare Chase card

O-Pee-Chee boasts a comprehensive 600-card base set which includes a 100-card high-series subset featuring only 4 Nations Face-Off Stars and 2025-26 Marquee Rookies. Every pack includes, on average, one (1) high series card!

There are three (3) parallels of the complete base set, including the Hobby-exclusive Purple Border parallel #'d to just 49, as well four (4) serially-#'d Hobby-exclusive parallels of only the high-series subset cards:
- Rainbow Foil (#'d to 350)
- Black Rainbow Foil (#'d to 100)
- Green Rainbow Foil (#'d to 33)
- Gold Rainbow Foil (#'d 1-of-1)

2025/26 Upper Deck O-Pee-Chee Hockey Hobby Box