Alvin Bag,Rain Cvr 9X44 250/Bx rain cover bags will keep all your large and small documents from becoming unraveled or weather damaged. Made from .002 mil. clear polyethylene they allow for you to see inside to easily identify your work while keeping documents sheltered. They are printed with "Blueprints Handle with Care" in large blue lettering to ensure anyone who comes across it knows to keep it well maintained. Available size is 9" x 44" which will fit in a standard sized briefcase and allows for projects large and small to fit securely within. Packaged with 250 bags per box so you always have some on hand.