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In a world where the difference between a graded Mint and Gem Mint can be a simple smudge or avoidable mark, why would you risk a bad grade with inferior products?

Guard The Grade

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Sleeve Shield™ Helps Collectors Prep Cards with Confidence​

In a world where the difference between Mint and Gem Mint can be a simple smudge or avoidable mark, why would you risk a bad grade with inferior products?

Engineered differently than a standard microfiber cloth

Standard microfiber is fine for flat everyday surfaces like glasses, camera lenses, and screens. Sleeve Shield™ is built for a different job: helping trap and lift fingerprint oil and fine dust particles from your sports or trading cards.

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SLEEVE SHIELD™
GENERIC CLOTH

MATERIAL

80% polyester / 20% polyamide microfiber

100% polyester 

Thickness 

230 GSM

100-150 GSM

Design

Sized 6" x 6" for light touch and easy control during card prep cleaning 

Difficult to control, leading to excess pressure and scratch risk

Package

Individually Wrapped Cloths in a premium resealable dust-free pouch

Wrapped together in a generic polyethylene bag leaving cloths open to contamination

How it works

Engineered to trap and lift fingerprint oil and fine dust particles

Drags dust, debris and oil across surfaces

Benefits

  • Ultra-Smooth "Low-Drag" Surface: Engineered with a high-thread-count polyester top to prevent micro-scratches during the cleaning process. Unlike standard textured playmats our Mat is a safe space

  • High-Contrast "Dust-Trap" Workspace: The top finish creates a professional black-hole effect for light, making every fingerprint, fiber, and speck of dust more visible. Identify surface contaminants before they ever get trapped inside a permanent slab.

  • 3 mm "Safe-Pressure" Cushioning: Optimized density provides the perfect amount of "give" to apply cleaning pressure safely. This shock-absorbing core protects against pressure dents and corner dings that often occur when prepping cards on hard or thin surfaces.

  • Professional 16" x 24" Workstation: Larger than standard mats to provide a dedicated "Clean Room" environment. The extra depth allows ample space for your cards, cleaning cloths, and blowers, keeping your "to-be-prepped" and "ready-for-grading" stacks safely separated.

  • To get on the earlier order list, contact us at support@GemMintGroup.com

Coming Soon Sleeve Shield™ Professional Prep Mat

Product Care & Disclaimer: 

At Sleeve Shield™, our mission is simple: Guard the Grade. Keep it Mint.

Our products are designed to help you safely prepare your cards for submission—but like any hands-on process, results depend on proper technique and care. While Sleeve Shield™ cloths are ultra-soft and non-abrasive, we cannot guarantee against scratches or damage in all situations. Issues may occur if debris is present, excessive pressure is used, or improper handling techniques are applied. By using our products, you acknowledge that Sleeve Shield™ is not responsible for damage, including scratches or surface wear, resulting from misuse or improper cleaning methods.

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