Features: Mostly are made of high-quality water resistant polyester fabric, which is very durable for children to use. This backpack is printed with very fancy pictures, unique and popular with children. The SBS zipper is well made, it slides easily and smoothly. Made of metal, not easy to break. The back of the backpack has a ventilated foam mesh pad design, which is breathable and sweat resistant. Scientific and reasonable compartments, makes kids goods lay in the bag systematically. Recommended for children 3-years of age and up. - Material: Mostly are made of high-quality water resistant polyester fabric, durable to use and it is not easy to get dirt. The backpack is small and exquisite, kids will not feel any burden while carrying this backpack, perfect for children going out for hiking, travelling, and going daycare center. - Approx Dimensions: 11.8H*4.7W*9L inch (Cant fit A4 book). - The main inner compartment of the backpack can put kidss books and other stuffs, such as toys and snacks. The adjustable padded shoulder straps offer support and comfort while the adjustable chest strap stabilizes the load throughout the days activities. - Perfect Small Size: very suitable for the figure and body shape of toddler kids, and the capacity is just right for them! Perfect for childrens daily activities: going out to play or going to school. - 12 Month WARRANTY: Please contact us if there is any quality problems with your backpack, we will solve it as soon as possible. (Recommended for children 3-years of age and up.)