<p>Backpack has a large interior space.</p><p>Material:high quality polyester and cotton. Lightweight construction is perfect for the easy carrying.</p><p>Size:30 * 15 * 40cm / 11.8 * 6 * 15.74in (L*W*H)</p><p> school bag is scientifically designed to reduce pressure on the back and shoulders. The high quality material makes the backpack more durable.</p>