Ultimate Guard

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

The Retrun to Earth Boulder 100+ deck box is the result of Ultimate Guard's commitment to environmental protection and sustainability. Developed and produced in Germany, the RTE Boulder 100+ consists of 97% renewable resources, comes in FSC-certified grass paper packaging, and is fully recyclable—all without compromising on material quality or card safety. Designed to hold 100 double-sleeved cards in Ultimate Guard sleeves* from trading card games like Magic: The Gathering, Pokémon, Lorcana, Flesh and Blood, Yu-Gi-Oh!, Riftbound, or One Piece.

*Designed for Ultimate Guard sleeves. Sleeves from other brands may affect the capacity.

The Retrun to Earth Boulder 100+ deck box is the result of Ultimate Guard's commitment to environmental protection and sustainability. Developed and produced in Germany, the RTE Boulder 100+ consists of 97% renewable resources, comes in FSC-certified grass paper packaging, and is fully recyclable—all without compromising on material quality or card safety. Designed to hold 100 double-sleeved cards in Ultimate Guard sleeves* from trading card games like Magic: The Gathering, Pokémon, Lorcana, Flesh and Blood, Yu-Gi-Oh!, Riftbound, or One Piece.

*Designed for Ultimate Guard sleeves. Sleeves from other brands may affect the capacity.

The Retrun to Earth Boulder 100+ deck box is the result of Ultimate Guard's commitment to environmental protection and sustainability. Developed and produced in Germany, the RTE Boulder 100+ consists of 97% renewable resources, comes in FSC-certified grass paper packaging, and is fully recyclable—all without compromising on material quality or card safety. Designed to hold 100 double-sleeved cards in Ultimate Guard sleeves* from trading card games like Magic: The Gathering, Pokémon, Lorcana, Flesh and Blood, Yu-Gi-Oh!, Riftbound, or One Piece.

*Designed for Ultimate Guard sleeves. Sleeves from other brands may affect the capacity.

The Retrun to Earth Boulder 100+ deck box is the result of Ultimate Guard's commitment to environmental protection and sustainability. Developed and produced in Germany, the RTE Boulder 100+ consists of 97% renewable resources, comes in FSC-certified grass paper packaging, and is fully recyclable—all without compromising on material quality or card safety. Designed to hold 100 double-sleeved cards in Ultimate Guard sleeves* from trading card games like Magic: The Gathering, Pokémon, Lorcana, Flesh and Blood, Yu-Gi-Oh!, Riftbound, or One Piece.

*Designed for Ultimate Guard sleeves. Sleeves from other brands may affect the capacity.

The Retrun to Earth Boulder 100+ deck box is the result of Ultimate Guard's commitment to environmental protection and sustainability. Developed and produced in Germany, the RTE Boulder 100+ consists of 97% renewable resources, comes in FSC-certified grass paper packaging, and is fully recyclable—all without compromising on material quality or card safety. Designed to hold 100 double-sleeved cards in Ultimate Guard sleeves* from trading card games like Magic: The Gathering, Pokémon, Lorcana, Flesh and Blood, Yu-Gi-Oh!, Riftbound, or One Piece.

*Designed for Ultimate Guard sleeves. Sleeves from other brands may affect the capacity.

The Retrun to Earth Boulder 100+ deck box is the result of Ultimate Guard's commitment to environmental protection and sustainability. Developed and produced in Germany, the RTE Boulder 100+ consists of 97% renewable resources, comes in FSC-certified grass paper packaging, and is fully recyclable—all without compromising on material quality or card safety. Designed to hold 100 double-sleeved cards in Ultimate Guard sleeves* from trading card games like Magic: The Gathering, Pokémon, Lorcana, Flesh and Blood, Yu-Gi-Oh!, Riftbound, or One Piece.

*Designed for Ultimate Guard sleeves. Sleeves from other brands may affect the capacity.

The Retrun to Earth Boulder 100+ deck box is the result of Ultimate Guard's commitment to environmental protection and sustainability. Developed and produced in Germany, the RTE Boulder 100+ consists of 97% renewable resources, comes in FSC-certified grass paper packaging, and is fully recyclable—all without compromising on material quality or card safety. Designed to hold 100 double-sleeved cards in Ultimate Guard sleeves* from trading card games like Magic: The Gathering, Pokémon, Lorcana, Flesh and Blood, Yu-Gi-Oh!, Riftbound, or One Piece.

*Designed for Ultimate Guard sleeves. Sleeves from other brands may affect the capacity.

The Retrun to Earth Boulder 100+ deck box is the result of Ultimate Guard's commitment to environmental protection and sustainability. Developed and produced in Germany, the RTE Boulder 100+ consists of 97% renewable resources, comes in FSC-certified grass paper packaging, and is fully recyclable—all without compromising on material quality or card safety. Designed to hold 100 double-sleeved cards in Ultimate Guard sleeves* from trading card games like Magic: The Gathering, Pokémon, Lorcana, Flesh and Blood, Yu-Gi-Oh!, Riftbound, or One Piece.

Visit returnto.earth to learn more about Ultimate Guard's sustainable approach and how you support global reforestation by purchasing Return to Earth products.

*Designed for Ultimate Guard sleeves. Sleeves from other brands may affect the capacity.

Ultimate Guard's Boulder 40+ is a durable and reliable deck box featuring our popular soft-touch surface. Despite its secure closure, the Boulder 40+ is easy and convenient to open and holds 40 double-sleeved cards in Ultimate Guard sleeves* from trading card games like Magic: The Gathering, Pokémon, Lorcana, Flesh and Blood, Yu-Gi-Oh!, Riftbound, or One Piece. Designed to combine with all Ultimate Guard mass storage boxes, Boulders fit especially well into Arkhive, Superhive, and Flip'n'Tray boxes.

*Designed for Ultimate Guard sleeves. Sleeves from other brands may affect the capacity.

Supreme UX 3rd Skin Sleeves are high-quality outer sleeves offering triple-layer card protection. Ultimate Guard's extra-clear and durable 3rd Skin Sleeves are designed to fit over double-sleeved standard-size trading cards in Ultimate Guard sleeves*.

Sleeve size: 69 x 94 mm
Quantity: 50 sleeves per pack

*Designed for Ultimate Guard sleeves. Sleeves from other brands may affect the capacity.

• Acid free, no PVC
• High clarity
• Extra-long lifespan and maximum durability

Ultimate Guard Katana Sleeves are the premium TCG card sleeves on the market. These high-quality protective sleeves for Japanese-size trading cards (Yu-Gi-Oh!, Cardfight!! Vanguard, etc.) are unrivaled in terms of shuffle feel and durability. With an ultra-clear front and an extra-opaque back, Ultimate Guard's Katana Sleeves meet the highest standards — even for extensive, high-level tournament play.

Sleeve size: 62 x 89 mm
Quantity: 60 sleeves per pack

• Acid free, no PVC
• Ultra-clear front
• Extra-long lifespan and maximum durability
• Textured back provides a perfect shuffle feel
• Extra-high opacity for tournament gameplay

Ultimate Guard Katana Sleeves are the premium TCG card sleeves on the market. These high-quality protective sleeves for Japanese-size trading cards (Yu-Gi-Oh!, Cardfight!! Vanguard, etc.) are unrivaled in terms of shuffle feel and durability. With an ultra-clear front and an extra-opaque back, Ultimate Guard's Katana Sleeves meet the highest standards — even for extensive, high-level tournament play.

Sleeve size: 62 x 89 mm
Quantity: 60 sleeves per pack

• Acid free, no PVC
• Ultra-clear front
• Extra-long lifespan and maximum durability
• Textured back provides a perfect shuffle feel
• Extra-high opacity for tournament gameplay

Ultimate Guard Katana Sleeves are the premium TCG card sleeves on the market. These high-quality protective sleeves for Japanese-size trading cards (Yu-Gi-Oh!, Cardfight!! Vanguard, etc.) are unrivaled in terms of shuffle feel and durability. With an ultra-clear front and an extra-opaque back, Ultimate Guard's Katana Sleeves meet the highest standards — even for extensive, high-level tournament play.

Sleeve size: 62 x 89 mm
Quantity: 60 sleeves per pack

• Acid free, no PVC
• Ultra-clear front
• Extra-long lifespan and maximum durability
• Textured back provides a perfect shuffle feel
• Extra-high opacity for tournament gameplay

Ultimate Guard Katana Sleeves are the premium TCG card sleeves on the market. These high-quality protective sleeves for Japanese-size trading cards (Yu-Gi-Oh!, Cardfight!! Vanguard, etc.) are unrivaled in terms of shuffle feel and durability. With an ultra-clear front and an extra-opaque back, Ultimate Guard's Katana Sleeves meet the highest standards — even for extensive, high-level tournament play.

Sleeve size: 62 x 89 mm
Quantity: 60 sleeves per pack

• Acid free, no PVC
• Ultra-clear front
• Extra-long lifespan and maximum durability
• Textured back provides a perfect shuffle feel
• Extra-high opacity for tournament gameplay

Ultimate Guard's Magnetic Card Cases are designed to protect and display your most valuable standard-sized trading cards from games like Magic: The Gathering, Lorcana, One Piece, Flesh and Blood, Riftbound, or Pokémon. Available in seven different thicknesses (35pt to 360pt), these extra-clear, acid-free cases feature UV protection, recessed corners, and a strong magnetic closure—perfect for safely storing and proudly displaying your prized cards.

• Acid free, no PVC 
• Strong magnetic closure 
• Recessed corners to protect the card's corners 
• UV protection 
• Designed for standard-size trading cards up to 360 pt thickness 
• High clarity

Ultimate Guard's Magnetic Card Cases are designed to protect and display your most valuable standard-sized trading cards from games like Magic: The Gathering, Lorcana, One Piece, Flesh and Blood, Riftbound, or Pokémon. Available in seven different thicknesses (35pt to 360pt), these extra-clear, acid-free cases feature UV protection, recessed corners, and a strong magnetic closure—perfect for safely storing and proudly displaying your prized cards.

• Acid free, no PVC 
• Strong magnetic closure 
• Recessed corners to protect the card's corners 
• UV protection 
• Designed for standard-size trading cards up to 130 pt thickness 
• High clarity

Ultimate Guard's Magnetic Card Cases are designed to protect and display your most valuable standard-sized trading cards from games like Magic: The Gathering, Lorcana, One Piece, Flesh and Blood, Riftbound, or Pokémon. Available in seven different thicknesses (35pt to 360pt), these extra-clear, acid-free cases feature UV protection, recessed corners, and a strong magnetic closure—perfect for safely storing and proudly displaying your prized cards.

• Acid free, no PVC 
• Strong magnetic closure 
• Recessed corners to protect the card's corners 
• UV protection 
• Designed for standard-size trading cards up to 100 pt thickness 
• High clarity

Ultimate Guard's Magnetic Card Cases are designed to protect and display your most valuable standard-sized trading cards from games like Magic: The Gathering, Lorcana, One Piece, Flesh and Blood, Riftbound, or Pokémon. Available in seven different thicknesses (35pt to 360pt), these extra-clear, acid-free cases feature UV protection, recessed corners, and a strong magnetic closure—perfect for safely storing and proudly displaying your prized cards.

• Acid free, no PVC 
• Strong magnetic closure 
• Recessed corners to protect the card's corners 
• UV protection 
• Designed for standard-size trading cards up to 75 pt thickness 
• High clarity

Ultimate Guard's Magnetic Card Cases are designed to protect and display your most valuable standard-sized trading cards from games like Magic: The Gathering, Lorcana, One Piece, Flesh and Blood, Riftbound, or Pokémon. Available in seven different thicknesses (35pt to 360pt), these extra-clear, acid-free cases feature UV protection, recessed corners, and a strong magnetic closure—perfect for safely storing and proudly displaying your prized cards.

• Acid free, no PVC 
• Strong magnetic closure 
• Recessed corners to protect the card's corners 
• UV protection 
• Designed for standard-size trading cards up to 55 pt thickness 
• High clarity

Ultimate Guard's Magnetic Card Cases are designed to protect and display your most valuable standard-sized trading cards from games like Magic: The Gathering, Lorcana, One Piece, Flesh and Blood, Riftbound, or Pokémon. Available in seven different thicknesses (35pt to 360pt), these extra-clear, acid-free cases feature UV protection, recessed corners, and a strong magnetic closure—perfect for safely storing and proudly displaying your prized cards.

• Acid free, no PVC 
• Strong magnetic closure 
• Recessed corners to protect the card's corners 
• UV protection 
• Designed for standard-size trading cards up to 35 pt thickness 
• High clarity