Optimal Size: Our specially designed booklet mailing plain envelopes 6 x 9 ensure a snug fit, providing a professional presentation. The size 6x9 does not require extra postage and can be mailed as a letter. Compatible with laser and inkjet printers Versatile Usage: Our envelopes letter size are ideal for a wide range of applications: use them for promotional materials, letters, catalogs, business materials, booklets, greeting cards, 5x7 photos, announcements, wedding invitations, flyers, & more Effortless Self-Sealing: Our 6x9 open-side envelopes feature a modern peel and seal closure, eliminating the need for moisture or licking. Enjoy the advantage of a secure seal with just a simple peel, ensuring a hassle-free mailing experience Professional White: Our paper envelopes feature a crisp white color, enhancing the professional appearance of your materials. Crafted from durable 28 lb heavy-duty paper, they exude durability, withstanding the challenges of postal handling Bulk Pack Convenience: With a generous quantity of 250 business envelopes per pack, you'll have an ample supply to meet your mailing needs. This bulk pack makes it an economical choice for regular sending out booklets, catalogs, or other materials UPC 850045846145 ASIN B01HQTXMXY Size 6x9 inches Color Booklet Style Blank | 250 Count Occasion Wedding Brand Name EnDoc Item Shape Rectangular Unit Count 250 Count Closure Type Self-Seal Material Type Paper Occasion Type Weddings,School,Photography,Business,Christmas,Wedding Item Type Name Envelope Number of Items 250 Additional Features Self-Adhesive Closure Item Dimensions L x W 9 L x 6 W Recommended Uses For Product Invitation Card, Letter