Ample Storage & Pockets: A separate laptop compartment holds a 15.6-inch laptop, as well as 15-inch, 14-inch, and 13-inch MacBooks. A spacious main compartment easily fits an iPad, mouse, charger, binders, books, clothes, and more. Side mesh pockets for a water bottle and compact umbrella keep your items organized and easy to find. COMFY & STURDY: Enjoy maximum back support with a comfortable airflow design featuring thick, yet soft, ventilated padding. Breathable and adjustable shoulder straps relieve shoulder stress. A foam-padded top handle provides comfortable long-term carrying. FUNCTIONAL & SAFE: A luggage strap allows the backpack to fit securely on luggage/suitcase, sliding over the luggage's upright handle tube for easier carrying. A hidden anti-theft pocket on the back protects your valuables from thieves, making your journey and travel more convenient wherever you go. USB PORT DESIGN: With a built-in USB charger outside and a built-in charging cable inside, this USB backpack offers a more convenient way to charge your phone on the go. Headphone Jack: Listen to your favorite music hands-free. DURABLE MATERIAL & SOLID: Made of water-resistant and durable polyester fabric with metal zippers. Ensures secure and long-lasting use every day and weekend. Serves you well as a professional office work bag, slim USB charging bag, perfect for business trips, weekend getaways, shopping, and outdoor activities in daily life. A great gift for college students, boys, girls, teens, and adults.