STORAGE AND PROTECTION - keeps the elements out and the data safe. Durable hard-aluminum memory card case designed for storing and transporting up to 4 CFexpress Type A memory cards. ROCK-SOLID BUILD - dust, splash-resistant, shock, ESD, magnets, and x-ray proof. Rock-solid protection for your essential gear. RATTLE-PROOF - generous finger grooves allow easy card access and precision-cut foam inserts provide a firm hold and protection against scratching, bending, or breaking of sensitive card components LOCK-SOLID - locking mechanism keeps the case confidently shut, preventing accidental case opening. Integrated double ring loops for pad locks or carabiners. POCKET-SIZED, LIGHTWEIGHT CASE - slides easily into a camera bag or back pocket, while the bright, eye-catching yellow color makes it easy to find.