The LensCoat SD15 Memory Wallet (Navy) holds up to 15 SD cards. The material is a lightweight, waterproof poly tricot/nylon. The wallet secures with a quiet elastic closure and is carried by a clip-on tether. All the interior pockets have clear windows so you can easily see which card you need. In addition, a handy business card slot is provided for that quick networking moment. This solid blue cover can be used when concealed with multi-colored foliage.