Shop for Booklet Envelopes and get FREE shipping. Choose from 6x9, 9x12, or 10x13. Ideal for mailing documents, catalogs, folders, and other materials. Booklet envelopes feature an open-side flap on the long side of the envelope and come in a wide variety of sizes and colors. Offered in white, manila, natural, and bold colors, these envelopes are a versatile mailing option that can fit a variety of needs. Common sizes to choose from include 6x9, 6 x 9 1/2, 6 1/2 x 9 1/2, 9x12, and 10x13. Booklet envelopes make it easy to insert thicker items or catalogs, through the wide opening.
Select a traditional Booklet envelope with a standard gum seal or check out different envelope styles and special features such as window, showcase window, or seal-seal. Looking for a more personalized look? Then check out our Custom Booklet envelopes. Include your company name, logo, or other artwork for a professional look that will impress your recipients. Use Booklet envelopes to send general mailings or marketing materials with confidence.