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Ultimate Guard Katana Inner Sleeves Standard Size Transparent (100)

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  • 100 Katana inner sleeves for standard cards
  • Precision fit seals out dust and moisture
  • Made in Japan — acid-free and PVC-free
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Serious collectors double-sleeve, and inner sleeves are where that starts. These Katana Inner Sleeves slip snugly over standard-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 Magic, Pokémon and Lorcana cards mint.

At a glance

  • 100 inner sleeves for standard-sized cards
  • Sleeve size: 64 x 89 mm
  • Precision-fit for a clean double-sleeving experience
  • Made in Japan
  • Acid-free and PVC-free

Why they're good

  • 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 Cortex or Katana outer sleeves to complete the job.

Rated 4.95/5 from 840+ reviews
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Explore Standard Size Card Sleeves
Ultimate Guard Katana Inner Sleeves Standard Size Transparent (100) - Loaded Dice
Ultimate Guard Katana Inner Sleeves Standard Size Transparent (100)

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Frequently Asked Questions

Will these sleeves fit my cards?

Standard size sleeves fit the 63 x 88mm cards used by Magic: The Gathering, English-print Pokémon, Disney Lorcana, One Piece, Star Wars Unlimited and most Western trading card games. If you play Yu-Gi-Oh, or collect Japanese-print Pokémon, those cards are smaller and need Japanese size instead.

Browse every sleeve size →

How many sleeves do I need for a deck?

A 100-count pack covers a 60-card Magic or Pokémon deck with plenty spare to replace any that split. A 100-card Commander deck needs two packs — sleeve exactly 100 and you'll have nothing left the first time one splits, which it will.

Can I double-sleeve with these?

Yes. Double-sleeving means a thin perfect-fit inner sleeve on the card first, then these as the outer — it seals the card in and stops dirt working its way past the opening. It's the standard approach for a deck you're taking to events, though it does bulk the deck out, so check your deck box has the headroom.

Matte or gloss — does it actually matter?

Mostly preference, but the differences are real. Matte shuffles better, kills glare under bright hall lighting and photographs far better; gloss slides faster and keeps artwork looking sharper. Competitive players tend towards matte, and it's worth sleeving a whole deck in one finish — a mixed deck can effectively mark your own cards.

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