2026 Leaf Pro Set Metal Baseball Hobby Jumbo Box takes the iconic Pro Set brand to the next level with a loaded jumbo configuration featuring 8 autograph cards per box, exclusive Red, White & Blue parallels, and elite baseball prospect content.
Combining nostalgic 1989 and 1990 Pro Set designs with Leaf’s premium Metal technology, this jumbo edition delivers vibrant chromium-style cards, unique insert themes, and some of the hobby’s most exciting future baseball stars.
Collectors can chase top baseball prospects showcased on legendary:
The jumbo format also includes exclusive Red, White & Blue 1989 and 1990 Pro Set cards unavailable in standard hobby boxes.
Look for signatures from many of baseball’s biggest young stars and future MLB talent, including:
Find exciting premium autograph themes and inserts including:
Beautifully designed die-cut cards add premium presentation and increased collectibility throughout the release.
Leaf Metal’s chromium-style finish delivers bold color, vibrant shine, and premium card stock across the entire checklist.
The Hobby Jumbo format includes exclusive patriotic-themed Red, White & Blue parallels and autographs that add additional chase appeal for collectors.
2026 Leaf Pro Set Metal Baseball Hobby Jumbo Box combines retro nostalgia, elite prospect autographs, exclusive jumbo parallels, and premium Metal finishes into one of the hobby’s most exciting prospect-focused baseball releases.
