BLACKHAWK! Mobile Operations Bag - The versatile Mobile Operations Bag comes in two sizes, and can be used as a backpack, shoulder bag or storage bag - depending on mission or preference. The heavy-duty, 1,000 denier nylon construction with reinforced stitching can handle the rigors of continuous use. Wraparound Handles Offer Superior Weight Support; Adjustable, Removable Shoulder Strap Features Non-Slip Pad Durable YKK Zippers With Easy-Grip Pull Tabs For Quick Access To Contents Heavy-Duty D-Rings For Securing External Items; External Lockdown Zipper Flap Keeps Items Secure