100 Cast Polypropylene (Plastic) Resealable Outer Sleeves with Flap for Standard Magazines #MASPOSRS (8.75" x 11" with a 1" resealable flap) - Protect Against Dust & Wear on your magazines! These sleeves will help protect your magazines from shelfwear and help keep out dust! Resealable Strip on Bag to Keep Your Sleeves Shut! 2 Mil Cast Polypropylene 8.75" x 11" (or 222.25mm x 279.4mm) Perfect for Magazines larger than 8.5" x 11"