18 Inch Student Backpack Bag, Fashion Lightweight School Bookbag for Children Polyester zipper closure A dependable polyester backpack bag printed with a colorful pattern. Features a roomy main compartment, a smaller front compartment, and a lashing patch. Features adjustable and padded shoulder straps. Padded pack panel help keep you comfortable when carrying a the book bag. Approximate Dimensions (in inches): Overall - 18 H X 12 W X 7 D; Main Compartment - 18 H X 12 W X 6 D; Front Compartment - 8.25 H X 9 W X 1 D.