Buy on Amazon : http://www.amazon.com/gp/product/B002I9OBQA?tag=catfoodrevi0a-20

Lowepro Magnum 400 AW Shoulder Bag (Black)

Removable adjustable Vertebral Tech Shoulder Strap boasts a four-way contoured design that ensures comfortable placement on body
Rain-flap lid and All-Weather Cover protects the bag and its contents from rain and other harmful elements
One-piece foam framing and premium-quality molded base provides superior sturdy and stable protection at critical points and corners
2 side pockets 3 SlipLock attachment tabs removeable accessory pocket provide extra storage space for cords cables and other accessories
Oversized locking zippers are easy to open and secure the bag with a lock not included