Columbian Catalog Envelopes, 6″ x 9″, Release & Seal Self-Sealing Closure 100 Ct. Fast free shipping Features & details Columbian Envelopes 6″ X 9″ Catalog envelopes are a safe, secure choice for smaller mailings 28 lb. White wove envelopes provide privacy, protection and durability; The perfect heavyweight stock for everyday business use Top-loading envelopes make it easy to drop in flyers or other enclosures; ideal for flat rate mailings Peel the paper strip from your release & Seal envelope and press for Permanent closure; No moisture required Value-packed boxes of 100 envelopes; stock up for home, Office and School