The back part provides comfort thanks to its sponge. water-resistant, long-lasting and tear-resistant fabric. 3 zippered compartments - 1 mesh side compartment. it is a highly preferred product for middle school, primary school, kindergarten. back support middle school high school backpack. flask compartment, with lining in the sole. height 40 cm, width 30 cm, depth 20 cm. water is not included in the product! bag weight is 620 grams. product and product photos belong to our company. for this reason, the product you see in the photo will come exactly. light etc. during product shooting. there may be a slight color difference caused by factors. 100% domestic production Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.