Size: 18 inches (H:45cm*W:32.5cm). Suitable for middle and high school. Comes with a place for a laptop or tablet. Comes with a night reflector in the arm of the bag. Glossy Bird Bag Overview:  A bag made of the finest types of fabric treated against tearing and water. The bag is equipped with an inner fabric and at the bottom of the bag there is a compressed sponge to distribute the weight. New design of wheels to bear heavy weights, ensuring stability and flexibility, rolling easily and more stable. The back side enhance the air flow through the sponge hollows. Soft fabric to cool back heat. At the top of the bag there is a button that can be pressed to remove the bag from the structure of the wheels. It has a bag support rope to prevent the bag's shoulders from touching the ground. It has a thick base to protect the bottom of the bag from damage. The zipper is made of a large size for long periods of use. Conforming to international specifications.