Pacsafe Metrosafe LS450 25 Liter Anti Theft Laptop Backpack - with Padded 15" Laptop Sleeve, Adjustable Shoulder Straps, Patented Security Technology 100% Nylon/100% Polyester Lining ANTI-THEFT DESIGN - with Lockable Zippers and Cut Proof Materials (lightweight steel mesh) to prevent theft/ pickpocketing, plus an RFID blocking pocket to keep your credit cards/ IDs safe. Patented in the USA, by Pacsafe, the original anti-theft brand. ORGANIZATION & POCKETS - 3* Lockable Zipper Exterior Pockets, 1* Padded & Suspended Interior Notebook Sleeve (Fits 15" Laptop), 2* Side Pockets for Water Bottles or Umbrella, 2* Zipper Interior Pockets (1* RFIDsafe), 1* Key / Wallet Clip COMFORTABLE BAG - With Padded Shoulder Straps, adjustable from 26.8" to 36.2". Ideal for Traveling, Daytrips, Adventures Abroad, Office and College Commuters, or as a Carry-On for Women & Men. LARGE CAPACITY - Roomy enough to hold your note books, 15" Macbook, iPad, iPhone, ebook, smartphone, purse, camera, accessories, travel souvenirs, extra sweater and more. DIMENSIONS, WEIGHT & MATERIAL - 18.9"H x 11.8"W x 6.7"D. Weight: 1.84 lbs. Made of soft, durable, water resistant and easy to wipe clean polyester to ensure secure & long-lasting usage everyday & during weekends. Comes with a 5-year Pacsafe warranty.