Expanding file jackets are perfect for organizing, storing and transporting bulky files. On Time Supplies features letter and legal size expanding file jackets from the top office supply brands at discount bulk price. And your expanding file jacket order arrives when you need it, thanks to our speedy shipping and local pickup options. Questions about expanding file jackets for sale at On Time Supplies? Or on GSA pricing? Contact our customer service team toll free at 1-866-501-6055. We're happy to answer any supply questions.