Square Flap Envelopes

Square Flap Envelopes

Our most popular style for invitations, announcements, photos, and greeting cards, square flap envelopes are constructed with an elegant, and distinctive square flap. We stock these 11 sizes in a wide array of colors, textures, and weights, and are available printed or plain.

Select a Size to view all Colors and Options = Most Popular

 
(2 7/8 x 6 1/2)
1 color
from $16.95 / 50
 
(2 7/8 x 6 1/2)
4 colors
from $12.95 / 50
 
A1 Envelopes The perfect size for RSVPs
(3 5/8 x 5 1/8)
79 colors
from $7.95 / 50
 
Slimline A square flap #9 envelope
(3 7/8 x 8 7/8)
5 colors
from $9.95 / 50
 
#10 Square Flap Envelopes A nicer style for a cleaner look
(4 1/8 x 9 1/2)
71 colors
from $9.95 / 50
 
A4 Envelopes The perfect size for 4 x 6 Photos or Cards
(4 1/4 x 6 1/4)
49 colors
from $8.95 / 50
 
A2 Envelopes The best size for "quarter fold" cards
(4 3/8 x 5 3/4)
108 colors
from $7.95 / 50
 
Photo Greeting Card Envelopes For 4 x 8 photo cards
(4 3/8 x 8 1/4)
5 colors
from $9.95 / 50
 
(4 3/4 x 6 1/2)
102 colors
from $8.95 / 50
 
A7 Envelopes The perfect size for 5 x 7 Invitations or Cards
(5 1/4 x 7 1/4)
145 colors
from $8.95 / 50
 
(7 1/4 x 5 1/4)
13 colors
from $12.95 / 50
 
A8 Envelopes Most Popular for Greeting Cards
(5 1/2 x 8 1/8)
16 colors
from $9.95 / 50
 
A9 Envelopes The best size for "half fold" cards
(5 3/4 x 8 3/4)
66 colors
from $9.95 / 50
 
A10 Envelopes The Largest Invitation Envelope
(6 x 9 1/2)
12 colors
from $9.95 / 50
 
(7 1/4 x 5 1/4)
1 color
from $14.95 / 50