Adult backpack. Super Large Capacity: 3 spacious main multi compartments give excellent protection for a 18.4 laptop and tablet. Exterior size of the business travel backpack: 21.5*16.3*9.9 inch. Capacity: 55L. Fits most 18.4,18,17.3,17,15.6,15 inch laptops. Great for men, women, fathers, mothers, dads, moms, grandfathers, grandmothers TSA approved RFID ANTI-THEFT: At Checkpoint, unfolds the extra large backpack freely 90-180 degree making you quickly through the airport security and keep items tidy,Designed for airplane traveling. The big backpack for indoor outdoor activities, Served as large college backpack.RFID Pocket with RFID-radio frequency identification help secure personal data encoded on you credit cards,IDs and passports.The anti-theft pocket on the back of backpack,easy to put your phone LARGE TRAVEL MATERIA: Largest main compartment hold for 4 days travel clothing.Many hidden pockets can accommodate lots of travel accessories,stationery,notebook, personal toiletries,side Zipper pocket for Easy access essentials, TSA laptop compartment with a padding at the bottom for laptop up to 19 in, tab and E-reader. Heavy duty backpack made from high quality polyester nylon fabric, XL backpack for International travel USB Charging Port Headphone Hole: external USB port with set-in charging cable offer convenient charging your cellphone and other electronic devices.A hole for headphone outside gives easy access to Earphone usage. Also, the college backpack with a sturdy rugged handle with steel cable on the top for carrying, side compression straps keep the exclusive backpack at whatever size you requires. As a MEMS/women's backpack, you will enjoy fashionable, comfortable and convenient everywhere BACK LUGGAGE STRAP CHEST STRAP: Back U-shaped ventilation design help for the air convection. Adjustable shoulder straps with padding help relieve the stress from your shoulder. A luggage strap allows backpack fit on luggage suitcase, slide over the luggage upright handle tube for easier carrying;The Adjustable chest strap bring the shoulder straps in tighter to the chest, help you lock your backpack in place securely,prevent the shoulder straps from falling off THIS ITEM IS NOT INTENDED FOR USE BY CHILDREN 12 AND UNDER. Feature for JCDOBEST Extra Large Travel Laptop backpack : Open 90-180 degree making you quickly through the airport security.A good laptop backpack for men! Luggage Suitcase strap on the back is great to slide over the luggage tube and attached to your rolling luggage securely for easier transport. Don't have to carry the backpack on your back, less burden on your shoulder and back when on the go. Also fit under seat Extra Large Backpack with charge port. external USB port with set-in charging cable offers convenient charging your cellphone and other electronic devices everywhere. A hole for headphone outside gives easy access to Earphone usage The large capacity backpack with a sturdy rugged handle with steel cable on the top for carrying, side compression straps keep the exclusive computer backpack at whatever size you requires. As a Men/women's backpack, you will enjoy It's fashionable, comfortable and convenient everywhere The hidden theft proof pocket designed on the back sits up against the wearer's body. Anti-Pickpocket back pocket is difficult to steal personal items, store your valuables such as passport and money when traveling so no one can get into it without you feeling it Large Multi-Compartment and Pocket: Separate Laptop Compartment: Fits UNDER 18.4 Inch Laptops and Macbook Main Compartment: Clothes, headset, books, magazine, camera, CD's, etc Front Compartment: For Phones, pen, keys, wallet, purse, glasses and other small items Side Pockets: Elasticized Mesh Pockets on both sides, fit water bottle, small compact umbrella and other items Theft Proof Back Pocket: Passport, Cellphone, Wallet, Earphone