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Ultimate Guard Cortex Sleeves Standard Size (100) - Blue

£599 £654

Estimated Release Date: June, 2026

Payment is taken upfront to lock in your preorder. We ship the second stock lands. Release dates can slide around (blame the suppliers for that and trust me, we're just as annoyed as you are). Keep an eye on this page for any date changes, as we update the site fast. If the manufacturer drops the ball entirely, you get a full refund.

Delivery & Packaging

We ship fast usually out the door within 24 hours and pack it right. Unlike you know who, we actually respect the hobby.

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Cortex Sleeves are premium card sleeves for standard-size trading cards (Magic: The Gathering, Pokémon, Lorcana, One Piece, Flesh and Blood, etc.). Precision-made from high-quality materials, these sleeves offer longevity, a smooth shuffle feel, and a highly opaque back, making them the perfect choice for every situation—from kitchen table play to high-level events. Available with a glossy or matte, non-reflective front.

Sleeve size: 66 x 91 mm
Quantity: 100 sleeves per pack


  • Highly transparent front
  • Acid free, no PVC
  • Extra-long lifespan and maximum durability
  • Textured back provides an outstanding shuffle feel
  • Extra-high opacity for tournament gameplay

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

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