Zendure Weatherproof Zipper Case for External Batteries, Smart Phones, Portable Hard Drives, and Compact Digital Cameras - Black with Green Zipper Sturdy carrying case for your devices with waterproof material and secure zippers Built-in pocket for cords and security strap to hold devices tightly Compact and flat design fits easily into a bag, backpack or purse Dual zippers allow cords to go through from any angle to charge your devices or transfer data. Internal dimensions of 3.54 x 6.22 x 1.30 (90mm x 158mm x 33mm) fit most external batteries, hard drives, digital cameras, GPS devices, game consoles, etc.