boldblox Card Storage Box for 3x4 Top Loaders — 600+ Capacity with Locking Case

Overview

Meet the boldblox Card Storage Box, a purpose-built home for sports cards and trading card collections. Crafted for serious collectors, it blends rugged protection with practical organization and a clean, professional look. This storage box is designed to support careful cataloging, easy access during inventory checks, and a polished presentation in both personal spaces and shop displays.

Massive capacity for serious collectors

The box can hold up to 600 toploaders or 150 magnetic holders, giving you a centralized, secure location for large card pools. Four spacious columns with adjustable foam dividers offer flexible sorting, so you can dedicate space to sets, rarities, or formats while keeping items easy to locate.

• Holds 600+ toploaders or 150 magnetic holders
• Four columns with adjustable foam dividers for flexible sorting
• Supports quick inventory checks and fast access

Protection design you can trust

Reinforced metal construction combines an aluminum frame with a cushioned foam interior. The interior padding helps absorb movement and minor impacts, while a combo lock keeps valuables secure when the box is stored or transported.

• Reinforced metal construction
• Aluminum frame and cushioned interior
• Combo lock adds security during storage and transport

Portable and pro-grade

Despite its sturdy protection, the box remains surprisingly portable. It is lightweight and durable, with an anti-slip base that stays put on desks, show tables, or in shop displays. The premium black carbon fiber textured exterior delivers a polished look for any space.

• Lightweight yet durable for transport
• Anti-slip base for stability at shows and shops
• Professional black carbon fiber textured exterior

Dimensions and fit

Size is 13.7 inches by 12 inches by 6 inches, a footprint that balances capacity with practical handling for transport and display.

Why choose boldblox

With robust protection, organized storage, and a presentation-ready exterior, boldblox helps you manage a growing collection with clarity. Consider this box as a reliable home for your cards—supporting secure storage, easy inventory, and portable show readiness.

• Secure, organized, scalable storage
• Impressive presentation for personal collections and shops