Enhanced preservation design Smooth lining minimizes wrinkles while preserving storage conditions, and reduces dust and scratches to effectively prevent oxidation and fading, helping maintain gloss over time. Intelligent compartment system Adjustable slots accommodate different card sizes for fast access. A thoughtful multi-layer structure enables efficient organization of hundreds of cards with seamless vertical storage. Long-term moisture control Constructed from high-density eco-friendly PP material for durability against pressure and deformation with a shock-resistant design. Moisture-control processing blocks moisture to help maintain card condition over the long term. Effortless transport Modern, lightweight design for easy portability. Anti-slip closures keep cards secure during transport, while rounded edges and a palm-shaped grip enhance user comfort. Key specs Material: high-density eco-friendly PP. Capacity: holds hundreds of cards via multi-layer stacking. Compatibility: adjustable compartments for various card sizes. Protection: moisture-blocking processes and shock-resistant construction. Features: anti-slip closures, rounded edges, easy-grip design. Use scenarios - Card collectors and hobbyists organizing trading, sports, or collector cards at home, events, or shows. - Professionals on the go managing IDs, access cards, or business cards during travel or fieldwork. - Retail or office environments storing membership, loyalty, or staff cards with quick, vertical access for daily use.