60pcs 10x13in Catalog Envelopes with Self Seal Closure, 28 lb Brown Kraft, for Mailing Flat Letter Size Documents or Photos, Catalog Brown Kraft Large Envelopes for Business, Legal, Office, Home and School Specification: Color: Brown Closure Type: Self-Seal Size: 10x13in Material: Paper Number of Items: 60 Feature: 10" x 13" Catalog Envelopes for Mailing Flat Letter Size Documents or Photos, 60 Per Pack Heavy-Duty 28 lb Brown Kraft Envelopes with Self Seal Closure for Privacy & Durability Easy Release & Seal: Just Pull the Paper Strip and Press, No Moisture Required Top-Loading Envelopes for Easy Insertion of Flyers or Other Enclosures Ideal for Shipping Contracts, Catalogs, Photos, and More; Perfect for Flat Rate Mailings