M by Staples Everyday Envelopes, White, 10/Pack (10833000)

Create and send custom marketing mailers with these envelopes. The archival-quality 70-pound paper weight resists tearing and fraying and doesn't fade over time, and the blank white design provides plenty of space for writing addresses and personal messages. Compatible with most inkjet and laser printers, these M by Staples 5.25 x 7.25-inch white envelopes make it easy to add company logos and graphics to marketing mailers.