These high-quality envelopes are suitable for business documents, letters, applications, booklets, folders, magazines, catalogs, and brochures. They feature a rectangular back flap for a professional appearance and a moistenable seal for secure closure. Made from 80 lb. text-weight paper, they are thicker than standard printer paper, providing protection and concealment for contents. Their sturdy construction makes them ideal for shipping over long distances without bending or tearing. The envelopes are compatible with laser and inkjet printers, allowing for easy printing without jams, tears, or smears. They measure 9 inches by 12 inches, offering ample space for various uses. Available in multiple colors, these durable envelopes are suitable for both business and personal needs, including party planning. They are sold in sets of 50, 250, 500, or 1000.