1.Lining texture: can protect from daily water splash.2. It can be used as a professional office business work bag for teenagers and adults, a casual backpack for outdoor activities in daily life, or a college/high school college rucksack for boys and girls. 3. nylon clothprotect from daily water splash.4.External USB interface and headphone jack,convenient and practical.5.Made out of durable S-shaped Adjustable webbing shoulder straps zippered pocket in the frontDurable-made by tear water-proof Fashionable and refining design.The backpack is famous for its delicate workmanship.Thicken design, most of your daily necessities can be loaded.Size:30 x 41.5*13.5 cmPlenty capacity design, most of your daily necessities can be loaded.Scientific and reasonable compartments, makes your goods lay in the bag systematically.The design of this fashion cute backpack is modern,It is a very nice quality backpack with a great range of colors, something for everyone.Lightweight Shoulder Bag