ZIPAFILE® is a heavy duty Storage Bag with a reclosable zip closure. ZIPAFILE® is a great solution for organization of learning center materials and ideal for transporting reading and homework assignments while protecting the supplies from wear and tear. ZIPAFILE® is made of clear, 5 Mil. low density polyethylene, that is acid free and CPSIA Compliant. Handle colors include blue, green, red, yellow, orange and white. Each bag measures 14" W x 13" H.