These archival quality crystal clear sleeves are a great choice for protecting your precious thick magazine collection. The special adhesive used on this sleeve allows you to open & reseal the magazine many times, keeping your magazine safe and dust-free. The adhesive strip is located on the body of the bag - keeping your magazines safe during insertion and removal. Biaxially Oriented Polypropylene (BOPP) means a much better sleeve clarity than the traditional cast polypropylene or polyethylene. PVC Free. - fits thick magazines; - crystal clear, acid-free, archival quality BOPP; - PVC free; - premium 2mil thick; - 8-7/8" x 11-1/8" + 1-1/2" flap with resealable strip.