Quality Park Catalog Envelopes, Redi-Seal, Brown Kraft, 12 x 15.5, 100 per Box, (44067) DURABLE: Made from heavyweight 28 lb. paper stock SECURE: Redi-Seal closure will ensure your contents stay safe with the licking factor out of mind LESS YUCK: We promise you won't miss licking envelopes or crumbly, drippy sponges; complete your mailings, no accessories required GREAT VALUE: Conveniently packed in 100 count to reduce the frequency of repurchasing FEATURES: 100 Brown Kraft, 12 x 15.5 Catalog Envelopes