Oxford material Boys' primary school backpacks with high-quality Oxford fabric, water-repellent fabric; non-fading, odorless, environmentally friendly and healthy. This can protect your inner belongings from drizzle. Suitable as a school bag for daily use and travel, Christmas gifts, birthday gifts, etc. Our school bag is perfect for young teenage boys, girls, women, men. Multifunctional for school, university, outdoors, sports, camping, hiking, excursions, travel. School bag + Shoulder bag set This casual backpack and shoulder bag are equipped with high-quality reflective material. They are always clearly visible in the dark. After the school bag has absorbed natural or reflected light for about 15 minutes, the children's briefcase illuminates the pattern for about 4-7 hours at night or in the dark. It protects you when jogging, walking and cycling at night. Ergonomic design: children's backpacks for boys are ergonomic, the straps are adjustable and detachable. You can adjust the length to suit your height and build. Light pressure on the shoulder and cushion with high-permeability material, never sweat when wearing it for a long time. Classic and simple lightweight fabric backpack, suitable for school, outdoor, leisure, beach. Classic fashion Sturdy zippers are very good at preventing slipping, waterproof. Multiple pockets on the travel backpack help organize belongings inside, keep your bag neat and clean, simplify your life, side pockets can be used for water bottles and an umbrella. Nice service guarantee: 24-hour response to all messages, if you are not satisfied with your purchase, we will provide you with a replacement or refund at any time. Please allow slight color difference due to different camera or light environment. And allow 1-4 cm error due to manual measurement.