High Density Water Resistant Nylon Material: This cute girls backpack is made of high density water repellent nylon fabric, which is scratch-resistant and wear-resistant, comfortable and soft to the touch, and can well protect your belongings from the rain.Humanized Design: This backpack for girls has two sizes of small (40*30*16cm/15.75*11.81*6.3in) and large (45*32*18cm/17.72*12.6*7.09in), which can be designed for different ages segment children use. 550g weight and lightweight design, more worry-free and labor-saving.Multi-compartment Design: This rainbow backpack has multiple compartments, you can scientifically place your books, pens, water cups, umbrellas, etc., and the back anti-theft zipper design can store important items such as mobile phones.Ergonomic Shoulder Straps: This girls bookbags adopts thickened and widened shoulder straps, soft and comfortable back pads, shock absorption and pressure relief, and reflective strips are added to remind vehicles to avoid, making it safer to travel at night.Multi-Purpose: This princess backpack is a great backpack for everyday life, perfect for school, college, work, weekend vacations, travel, hiking, camping, hunting, hiking, biking and other outdoor activities.