ROOMY MULTI-COMPARTMENTS Laptop compartment includes laptop pockets with thick padded to protect your laptop and one mesh pocket to store important files. Main compartment, including 3 inner pockets, provide roomy space for clothes, books, power bank, travel accessories, and other necessities. Two front pockets can hold some small stuffs, such as notebook, pens, cards, tissue,etc, keeping your items organized. Water Resistant Material Made of high quality Polyester Fiber, Scratch-resistant, Anti-tear, Water Resistant. Mesh Pockets Two Mesh Pockets on the side to store your bottle water and umbrella. Sturdy Handle A rugged and sturdy handle on the top is convient for you to carry this backpack with one hand. Unfolded Freely 90-180 Degrees The laptop compartment could be unfolded freely 90-180 degrees, saving your time to through airport security and keeps other items tidy. Breathable & Comfortable Breathable sponge mesh design on the backside and shoulder straps relieve the stress of your shoulder and ensure comfort when carrying for a long duration. Card Pocket The card pocket on the left shoulder strap to store your ID card or ticket for easy retrieval. Luggage Strap The luggage strap can be inserted and fixed to the handle of a trunk or suitcase, making business travel bag convenient to carry. Anti-theft Pocket Anti-theft pocket on the backside of the laptop bag keeps your passport, wallet, mobile phone, and other valuable items safe. Structure Details 1* Padded Laptop Compartment: TSA-Friendly designed, shockproof padded sleeve compartment Fits laptop up to 17.3 inch. 2* Main Compartment:Clothes,Travel accessories,Books,Binders,tech electronic accessories,shoes,etc.2* Front Zipper pockets( includes 5 divider small pockets with key chain).2* Side zipper pockets for your compact umbrella and small accessories. 2* Water bottle pockets: Two mesh pockets on each side fit bottle. 1* Exterior USB port & Top headphone hole. SPECIFICATIONS External Dimensions:14.9" x9.8" x19.7" (L*W*H)/20.3" x9.8" x19.7"(L*W*H) Capacity: 45L/62L Material : Water-resistant fabric Fit Laptop Size: 17.3 Inch/18.4 Inch or less Style: Travel, Business, College, Casual. Occasions: Outside travel, Holiday vacation, Outdoor Hiking and any other daily occasion.