Ultimate Guard Katana Inner Sleeves Japanese Size Transparent (100)

Serious collectors double-sleeve, and inner sleeves are where that starts. These Katana Inner Sleeves slip snugly over Japanese-sized cards before you add an outer sleeve, sealing out dust and moisture for proper long-term protection. Made in Japan to Ultimate Guard's usual precision, they're the quiet first layer that keeps your Yu-Gi-Oh! and other small-format cards mint.

Why they're good

• 60 x 87.5mm — acid-free and PVC-free
• Snug fit seals out dust and moisture from all sides
• Impeccable clarity keeps cards fully readable
• Built for a long lifespan under an outer sleeve

The invisible layer that turns good protection into proper, collector-grade protection.

The first layer every double-sleeved card needs. Pair with a set of Katana outer sleeves to complete the job.