Features for Laptop Backpack: Multiple compartmentAnti-theft lock functionalConvenient USB port designComfy and sturdyHigh quality oxford materialA perfect gift Laptop Backpack: Sturdy Laptop Backpack has One Separate Laptop Compartment for iPad, Laptop(Size Up to 17 inch) and Other Electronic Devices, Make Your Items Organized and Safe. Travel Backpack: Perfect for Occasional International Travel / Weekend Short Trip Getaways / Airplane Travel / Outdoor Hiking Camping Backpack for Men and Women. Business Backpack: The Extra Large Business Backpack is Your trip to bussiness Essentials. Great Gift Chioce: Best Father's Day/ Mother's Day Gift for Your Husband / Wife / Lover As Everyday Backpack, Work Backpack, Professional Business Laptop Backpack for Men Women Daily Use at Anywhere. Multifunctional Compartment External Dimensions: 12.2" L * 7.8" W * 18.5" H Weight: 1.2kg / 2.65lb Capacity: 30L Material: Waterproof Oxford Fabric Fit Laptop Size: 17.3 Inches or less Style: Travel, Business, Casual. 1 separate padded laptop compartment can fits up to 17.3 Inches Laptop and iPad as a laptop backpack. 1 front top compartment with 1 mesh pocket enough for magazines, mouse and charger as a commuter backpack. 1 main compartment can hold your clothing and toiletries as a travel backpack for a 3-4 days short trips. 2 front bottom compartment and side pocket keep your keys, ID card, wallet, smart phone, water bottle, umbrella organized and easier to find. 1 hidden anti theft pocket on the back protect your valuable items from thieves. Water Resistant Oxford Fabric This anti theft business backpack is made of high-quality oxford fabric, which is waterproof and tear-resistant. Excellent sewing workmanship makes the backpack more durable and strong to use. providing more security and protection for your items in the rainy days.Please note that the backpack should be avoided exposing heavy rain Large Main Compartment The main compartment can holds clothes, travel accessories, magazines, binders, tech electronic accessories, headset, magazine, camera, CD's,etc Separate Laptop Compartment shockproof padded sleeve compartment fits laptop up to 17 inch. waterproof compartment waterproof pocket is very nice.you can put Cosmetics, liquids, or replacement clothes.and it is also smell proof. Anti-theft Code Lock Laptop backpack with Fixed Password Lock. It is safe guaranteed for protecting your valuable items inside. No need to worry theft easily opening your backpack when you are travelling or lining up. Shoes Compartment Shoes storage is wide enough to hold shoes and also be used as toiletries bag, makes it keep clean. Side Pocket Only one side pocket for umbrellas, water bottle. Luggage Strap The back side luggage strap allows business laptop bag fits on suitcase, slide over the luggage upright handle tube for easier carrying. Convenient Card Pocket Quick-access pocket on the shoulder strap is great for credit card metro card etc. 50L Expandable business backpack fit 17.3 inch laptop 30L Anti theft lock business backpack fit 17.3 inch laptop 45L Travel expandable backpack fit 17.3 inch laptop 30L Modern laptop backpack fit 17.3 inch laptop 30L Casual backpack fit 15.6 inch laptop 30L Daily use backpack fit 15.6 inch laptop Capacity 50L 30L 45L 30L 30L 30L Max laptop size 17.3 inch 17.3 inch 17.3 inch 17.3 inch 17.3 inch 17.3 inch Dimension 20.1x12.6x8.7 inch 18.5x12.2x7.8 inch 20.5x12.9x6.7 inch 20.5x14.2x6.3 inch 21x11.8x7.7 inch 19.7x12.6x5.9 inch Extended funtion ✓ ✓ Water repellent ✓ ✓ ✓ ✓ ✓ ✓ USB charging port ✓ ✓ ✓ Carry option Back/ Top Back/ Top Back/ Top/ Tote Back/ Top Back/ Top Back/ Top Luggage strap ✓ ✓ ✓ ✓ Best Choice for Gift