These clear 2 mil thick Polypropylene comic bags will provide standard comic book bag protection at an economical price. They are available in Current Age, Silver Age and Golden Age sizes. All sizes come with a 1 1/2″ flap. High in clarity, these bags are ideal for preserving and displaying your collection. Polypropylene is the primary material used for comic book bags due to it’s clarity and low cost. 100 in each package.