Catalog envelopes sized 9″ x 12″, suitable for mailing 8.5″ x 11″ documents without folding Security-tinted interior pattern helps conceal enclosed contents and sensitive information during mailing Made for business and office use, including documents, photos, catalogs, and other larger or thicker mailings Features a self-seal closure with a strong adhesive strip designed to create a secure seal across the full width Constructed from white 28 lb stock with a sturdy wove paper finish for a clean, professional appearance Pack includes 100 envelopes for bulk mailings and routine correspondence