Super Big Storage Space for Your Daily Necessities(17.3 Inch Laptop and Tablet, Power Bank, A4 Files, Wallet, Clothes, Umbrella, Water Bottle and More Your Items). Lots of Pockets Make Your Items Organized and Easier to Find. Attention! THIS ITEM IS NOT INTENDED FOR USE BY CHILDREN 12 AND UNDER. Breathable Material Make Your Back More Comfortable and Adjustable Shoulder Straps Relieve the Stress of Shoulder. Made of Water Resistant and Durable Material, Metal Zippers Close and Open Smoothly to Ensure Long-lasting Usage Everyday. A Luggage Strap Allows Backpack Fit on Luggage/Suitcase, Slide Over the Luggage Upright Handle Tube for Easier Carrying. A Hidden Anti Theft Pocket on the Back Protect Your Wallet, Passport and Valuable Items from Thieves. Perfect Used for Office, Working, College, Business, Shopping, Dating, Travelling, Camping, Hiking, Walk a Dog, Value Gifts etc. A Must Have for Business Documents, College Supplies, Travel Accessories and Laptop Accessories. USB Port Design Offers You a More Convenient Way to Charge Your Phone While Walking. Please Noted That This Backpack Doesn't Power Itself, USB Charging Port Only Offers an Easy Access to Charge.