LUX 5 1/4 x 7 1/2 Inner Envelopes (No Glue) in 70lb. Bright White are perfect for giving a traditional look just right for traditional uses such as for invitations/notecards/announcements, sold as 250 per box..Comes in 70lb. Bright White.Sold as 250 per box.Dimensions: 5.25"L x 7.5"W.LUX 5 1/4 x 7 1/2 Inner Envelopes (No Glue) in 70lb. Bright White are perfect for giving a traditional look just right for traditional uses such as for invitations, notecards, announcements..Classically elegant envelope construction, a traditional look just right for traditional uses such as for invitations, notecards, announcements. 8 sizes, all with the flap on the long side, come in white or off-white (no colors). Printed or plain.