The UDG Creator Mobile Guard is designed to mount to ANY BackPack shoulder strap. The Mobile Guard protects a variety of Accessories including your Ipod, Camera, GPS, Iphone, Blackberry or Cell Phone. This versatile accessory pouch is crafted from heavy duty, water resistant 1680D Ballistic Nylon, with soft non-scratch interior lining, this pouch holds up to 3 different SIM cards and has a separate memory card zippered pocket.