4.125 in x 9.5 in Best Ball #10 Envelope, pkg of 25

Designed #10 Envelopes make your mailings stand-out! Square flap, 25/box, 2-sided design. 4-1/8" x 9 ½”, holds 8½” x 11” sheets (3-fold).

4⅛" x 9 ½”

Square flap, 2-sided design

Laser and inkjet compatible