Material: Durable Water-resistant Nylon (but not completely waterproof); Smooth Sturdy Zippers. Note: The bag is suitable for the age 12 and up. Size: School backpack: 11.81*15.9*5.51in (L*H*W); Weight: approx. 0.49KG Construction: Roomy main compartment can hold textbooks, magazines, A4 files; 1 well-padded laptop sleeve; 2 side pockets can hold a water bottle and an umbrella; 1 Front utility pocket keeps the essentials easily accessible; 1 inner open pockets; 2 inner pen holders; 1 inner zipper pocket. Practical & Convenient: An ergonomically airflow padded back panel system wicks away moisture and prevent overheating. External USB charger port offers a convenient and easy way to charge your phone, tablet and other electronic device. And have a headphone jack that connects the phone inside and the headphone outside, making it easier for you to enjoy music. Stylish Prints: Selective fashionable bright flower colors and vintage designer patterns, a must have personalized bag that will level up your style. It is available for all types of occasions for students use, casual daily use, or travelling. Our laptop backpack is made of water-resistant fabric, sturdy zips, reinforced seams in shoulder straps and handle. The water-resistant nature of the fabric is very useful for rainy days. The backpack bag can be used as a college bag but also as a daily travel backpack. Comfortable The computer bag is easy to wear with adjustable padded shoulder straps. The bag has a top handy loop for easy grab and hang, added versatile for this pack. Everything has its own place and you can get easy access to it. Occasions: daily use, day-trips, traveling, hiking, camping, school