This bright Construction backpack is remarkably well constructed: the black fabric of the exterior is made of a durable 600 denier polyester fabric, and the Construction pattern is printed on a reliable 300 denier polyester fabric. The shoulder straps are adjustable and padded so the backpack will be comfortable to wear. The two compartments of this Wildkin brand Construction backpack zip closed and are lined with nylon. Interior pockets give extra room for storing and organizing. This cheerful Construction kids’ backpack is 15” H x 12” W x 7” D, a comfortable size for kids 3+. Please note: This Item is only shipped by UPS. Please Choose UPS Ground, or expedited UPS options at checkout. If UPS is not chosen we will modify your order to reflect the proper shipping method.