Quality Park Envelopes w/Labels, Redi-Strip, Brown Kraft, 9 x 12, 24 per Book, (44524) DURABLE: Made from sturdy 28 lb. paper stock REDI-STRIP: No moisture required with this Redi-Strip closure MULTI-PURPOSE: These 9 x 12 envelopes are perfect for filing, storing or organizing documents 24 ENVELOPES: Packed as 24 envelopes per book, making this perfect for the desk or transport Features: 1 Book with 24 brown kraft, 9 x 12 envelopes with labels