Lightweight Backpack, Made Of High-Density Twill Composite Fabric, Strong, Scientific And Reasonable Design, To Meet Your Travel Or Work Studying Needs. Water Cups Or Umbrellas Can Be Placed In The Side Pockets On Both Sides Of The Backpack, Which Is Very Convenient. With The Front Zipper Pocket Design, Large-Screen Mobile Phones, Keys And Other Items Can Be Easily Accessed. The Comfortable Quilted Shoulder Strap And The Ergonomic Curved Design Keep Your Shoulders From Getting Tired. Very Suitable For Studying, Going To Work, Shopping, Traveling, Etc. A Large Main Pocket With No Internal Pockets.