Product Description1. 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.2. Approx Dimensions: 11.8H*4.7W*9L inch (Can't fit A4 size book).3. Adjustable: The main inner compartment of the backpack can put kids's 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 day's activities.4. Perfect Size: very suitable for the figure and body shape of toddler kids, and the capacity is just right for them! Perfect for children's daily activities: going out to play or going to school.5. Guarantee: 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 above.)