If paper and postage is how your business gets done, we can provide the gear you need. Choose from stationery products, including envelopes, letterhead, customized reply and confirmation return cards, invoices and statements, and claim forms for the insurance and medical industry. Keep in touch with all of your customers and supporters with these business reply envelopes. These 8 7/8" x 3 7/8" #9 24 lb. stock mailers are available in eye-catching colors, and fit easily into #10 envelopes without folding. Add your contact and address information, and supply your mailer ID for a printed Intelligent Mail Bar Code to expedite your post.