Looking for strong and durable 6″ x 9″ envelopes for mailing catalogs, brochures, or promotional material? Aimoh’s self-seal brown Kraft envelopes are made from 28lb paper that won’t rip or tear during shipping. With the self-sealing QUICK-SEAL flap, you can seal them quickly and easily. Each pack contains 100/500 envelopes, perfect for both home and business use. 6X9 Brown Kraft Catalog Envelopes – Self-Seal – 28 Pounds (38600) 6×9 KRAFT ENVELOPES; Aimoh’s Catalog Envelopes combine tough 28lb golden kraft paper stock, strong self-sealing SELF-SEAL Closure for the best catalog envelopes on the market, perfect for large documents and all business correspondence.DURABLE MULTI-PURPOSE; Ideal for mailing catalogues, magazines, documents, direct mail, promotional material, brochures and more, Aimoh’s Catalog Envelopes can be easily hand addressed or customized with business information.28LB STOCK; manufactured from tough, durable Construction like 28lb paper stock, the brown kraft material will insure privacy of the envelopes contents, the durable, woven paper extends the tampering resistance of this envelope, standing up to normal postal wear and tear without damage.SELF ADHESIVE SEAL; Aimoh’s 6 x 9 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, super secure seal across each envelope’s width that won’t easily open or tear, ideal for mailing thicker catalogues, brochures and magazines.6×9 SELF-SEAL Kraft Envelopes; ideal for everyday business use and professional mailings, each box of our premium 6×9 mailing envelopes with the peel and seal closure provide great value 100/500 envelope supply, for the best value on the market!