Lining texture: polyester Color: blue, black, light gray Processing method: printing Material: Nylon Strap root number: double root Carrying parts: soft handle Applicable gender: male Function: breathable, waterproof, wear-resistant, anti-theft, shock-resistant, load-reducing Hardness: medium to softOpening method: zipper Internal structure of the bag: zipper pocket, mobile phone pocket, ID pocket, interlayer Style: trendy and cool Applicable school age: primary school Capacity: 20-35L Price: Please contact us for specific price Size: 38*29*18cm Weight: 480gComfortable carrying system, stable and balanced strength Close to the back to reduce the burden on the backCartoon print backpack Comfortable and breathable shoulder straps, comfortable back, multiple layers of storage Fashionable, considerate and practicalBack breathable mesh cotton + water repellent nylon fabric Comfortable and breathable back fabric and water-repellent nylon fabric on the front Lightweight and easy to care for, durableLow light source reflector Backpack reflective strips will reflect light in daylight or dim light at nightlarge capacity backpack Multi-layer storage, let children develop a good habit of sorting and placing from an early ageProduct detailsFeatures: 1. Thickened and force-reducing double-handed comfortable and wear-resistant 2. Double opening and closing zipper is smooth and easy to pull 3. Side adjustable buckles 4. Convenient elastic side pockets Honeycomb Mesh Strap Stress Relief Backpacks, Zip Pockets, Rucksacks Backpack with side pockets: Side mesh pockets hold drinks and water bottles, umbrellas. Backpack with Reflective Stripes: The backpack's reflective stripes reflect light. Daytime fun and nighttime safety features to see wherever you travel. Great for school, hiking, camping. Spacious and Ample Pockets: The roomy main compartment is perfect for a laptop or tablet, books, notebooks and water bottles, while the outer front pockets are great for phones, pens, tissues and snacks.