Catalog envelopes with Redi-Strip closure for home or office mailing, storage and organizing. Keeping your home or business organized is imperative! Whatever your needs, catalog envelopes are a must for keeping projects, files and mailings manageable. These heavyweight catalog envelopes are made of 28-lb stock that can withstand extensive handling, as well as mailing. Contents are protected during use to give you assurance that they arrive unharmed. Pull-off Redi-Strip closure saves time and makes a secure permanent seal. Purchasing envelopes will be at a minimum with the convenient 100 count giving you more time to focus on business.