Quality Park Park Ridge Embossed Executive Envelope, Address Window, #10, Commercial Flap, Gummed Closure, 4.13 x 9.5, White, 500/Box - Quality Park Embossed #10 Envelopes are the premium choice when it comes to business envelopes. 24-lb wove envelopes feature side seams and embossed paper for a professional look. Each business envelope is 4.13 x 9.5 inches with a moisture seal commercial flap. Laser printer and inkjet printer compatible so you can personalize mailings. Side seams provide more surface area to print return addresses, logos or other graphics. Stock up on boxes so you don't run out!