Skip to main content Skip to footer
Learn how our Rewards program adds value
$10 off your first order
Save 5% with Rewards+
Fanatical customer service since 1956
Track an order
Shared cart
Reward not redeemed
You dont have enough points to redeem this reward.
Shopping list
Alternative Items
Add a protection plan


Home
>
Shipping, Packing & Mailing Supplies
>
Bulk Envelopes
>
Invitation Envelopes
>
Square Envelopes

Page 6 of Square Envelopes

   (293 Products)
Filter by:
Clear
JAM Paper (152)
LUX (141)
Clear
White (122)
Black (24)
Clear (21)
Pink (9)
Gold (7)
Beige (11)
Brown (18)
Gray/Silver (13)
Green (9)
Yellow (8)
Ivory (2)
Natural Kraft (1)
Red (15)
Blue (11)
Purple (2)
Metallic (1)
Multicolor (1)
Natural (1)
Clear
2 11/16" x 3 11/16" (6)
3 1/4" x 3 1/4" (2)
4 1/8" x 9 1/2" (5)
4 3/4" x 6 1/2" (12)
4 3/8" x 5 3/4" (13)
5 1/2" x 5 1/2" (22)
5 1/2" x 8 1/8" (2)
5 1/4" x 7 1/4" (21)
5 3/4" x 8 3/4" (19)
5" x 5" (18)
5" x 11 1/2" (1)
6 1/2" x 6 1/2" (13)
6 1/4" x 6 1/4" (12)
6" x 6" (22)
6" x 9 1/2" (3)
7 1/2" x 7 1/2" (10)
Other (106)
Go
$0 - $10 (5)
$10 - $20 (66)
$20 - $30 (44)
$30 - $40 (25)
$40 - $50 (29)
$50 - $60 (12)
$60 - $70 (17)
$70 - $80 (10)
$80 - $90 (10)
$90 - $100 (10)
$100 - $150 (33)
$150 - $200 (15)
$200 - $300 (11)
$300 - $400 (3)
$400 - $500 (1)
$750 - $1000 (2)
Clear
50 Per Pack (91)
500 Per Pack (60)
25 Per Pack (51)
250 Per Pack (38)
100 Per Pack (17)
1000 Per Pack (28)
Price Drop
All filters
Sort by:
Best matchPrice: High-LowPrice: Low-HighRating: High-Low
All filters 293 items found
JAM Paper 10 x 10 Large Square Invitation Envelopes, White, 25/Pack (3992319)JAM Paper 10 x 10 Large Square Invitation Envelopes, White, 25/Pack (3992319)
Quick view
JAM Paper 10 x 10 Large Square Invitation Envelopes, White, 25/Pack (3992319)
Item #: 901-261308JAM
Item #: 901-261308JAM
Size: 10" x 10"
Closure: Gum
Opening: Square
$24.99
Per pack
($1.00/Envelope)
Add to cart
Earn 24 points
Free delivery w/ $25+
LUX 80lbs. 5 3/4 x 8 3/4 100% Recycled Square Flap Envelopes W/Glue, Natural, 1000/BX
Quick view
LUX 80lbs. 5 3/4" x 8 3/4" 100% Recycled Square Flap Envelopes W/Glue, Natural, 1000/BX
Item #: 901-384927LUX
Item #: 901-384927LUX
A9 Invitation Envelopes (5 3/4 x 8 3/4) are perfect for party invites/thank you cards/wedding invites/announcements
Comes in Natural - 100% Recycled, 80lb. Text Paper
Closure: Moistenable glue
$152.19
Per box
($0.15/Envelope)
Add to cart
Earn 152 points
Free delivery
JAM Paper 7 1/2 x 7 1/2 Square Envelopes, Ruby Red, 500 Pack (EX8555-18-500)
Quick view
JAM Paper 7 1/2 x 7 1/2 Square Envelopes, Ruby Red, 500 Pack (EX8555-18-500)
Item #: 901-24578463
Item #: 901-24578463
Square Envelopes
7.5" x 7.5"
Ruby Red
$282.99
Per pack
($0.57/Envelope)
Add to cart
Earn 282 points
Free delivery
JAM Paper 7 1/2 x 7 1/2 Square Envelopes, Sunflower, 250 Pack, Yellow (EX8555-12-250)
Quick view
JAM Paper 7 1/2 x 7 1/2 Square Envelopes, Sunflower, 250 Pack, Yellow (EX8555-12-250)
Item #: 901-24578458
Item #: 901-24578458
Square Envelopes
7.5" x 7.5"
Yellow
$170.99
Per pack
($0.68/Envelope)
Add to cart
Earn 170 points
Free delivery
Lux® 5 x 5 70lbs. Square Flap Envelopes W/Peel & Press; Bright White, 50/Pk
Quick view
Lux® 5" x 5" 70lbs. Square Flap Envelopes W/Peel & Press; Bright White, 50/Pk
Item #: 901-282150LUX
(1)
Item #: 901-282150LUX
Bright white
Size: 5" x 5"
Closure: Peel and press
$17.99
Per pack
($0.36/Envelope)
Add to cart
Earn 17 points
Free delivery w/ $25+
JAM Paper 6.5 x 6.5 Square Invitation Envelopes, White, Bulk 250/Box (28417H)JAM Paper 6.5 x 6.5 Square Invitation Envelopes, White, Bulk 250/Box (28417H)
Quick view
JAM Paper 6.5 x 6.5 Square Invitation Envelopes, White, Bulk 250/Box (28417H)
Item #: 901-1589843JAM
Item #: 901-1589843JAM
Regular white square envelope
Blank interior for personalized message
Envelope Size: 6.5" x 6.5"
$111.99
Per pack
($0.45/Envelope)
Add to cart
Earn 111 points
Free delivery
Price drop
JAM Paper Square Envelopes, Holiday Red, 6 1/4 x 6 1/4 , 50/Pack (8530-20-50)
Quick view
JAM Paper Square Envelopes, Holiday Red, 6 1/4 x 6 1/4 , 50/Pack (8530-20-50)
Item #: 901-24578533
Item #: 901-24578533
Square Envelopes
6.25" x 6.25"
Holiday Red
$14.99
Per pack
($0.30/EACH)
Add to cart
Earn 14 points
Free delivery w/ $25+
Price drop
JAM Paper 6 x 6 Square Invitation Envelopes, White, Bulk 250/Box (28416H)JAM Paper 6 x 6 Square Invitation Envelopes, White, Bulk 250/Box (28416H)
Quick view
JAM Paper 6 x 6 Square Invitation Envelopes, White, Bulk 250/Box (28416H)
Item #: 901-1589844JAM
Item #: 901-1589844JAM
Regular white square envelope
Blank interior for personalized message
Envelope Size: 6" x 6"
$111.99
Per pack
($0.45/Envelope)
Add to cart
Earn 111 points
Free delivery
LUX® 60lbs. 4 3/4 x 6 1/2 Square Flap Envelopes W/Peel & Press, White, 1000/BX
Quick view
LUX® 60lbs. 4 3/4" x 6 1/2" Square Flap Envelopes W/Peel & Press, White, 1000/BX
Item #: 901-384895LUX
Item #: 901-384895LUX
White
Size: A6 (4 3/4" x 6 1/2")
Closure: Peel & press
$92.39
Per box
($0.09/Envelope)
Add to cart
Earn 92 points
Free delivery
Price drop
LUX® 70lb 5 1/2x5 1/2 Square Flap Envelopes W/Peel&Press; Ruby Red, 500/BX
Quick view
LUX® 70lb 5 1/2"x5 1/2" Square Flap Envelopes W/Peel&Press; Ruby Red, 500/BX
Item #: 901-514223LUX
Item #: 901-514223LUX
Ruby red
Size: 5 1/2"x5 1/2"
Closure: Peel & press
$139.29
Per box
($0.28/Envelope)
Add to cart
Earn 139 points
Free delivery
Price drop
JAM Paper 5 x 5 Square Invitation Envelopes, White, 25/Pack (28414)JAM Paper 5 x 5 Square Invitation Envelopes, White, 25/Pack (28414)
Quick view
JAM Paper 5 x 5 Square Invitation Envelopes, White, 25/Pack (28414)
Item #: 901-261296JAM
(1)
Item #: 901-261296JAM
Size: 5" x 5"
Closure: Gum
Opening: Square
$18.99
Per pack
($0.76/Envelope)
Add to cart
Earn 18 points
Free delivery w/ $25+
Price drop
Lux® 5 1/2 x 5 1/2 70lbs. Square Flap Envelopes W/Peel & Press; Smoke Gray, 50/Pk
Quick view
Lux® 5 1/2" x 5 1/2" 70lbs. Square Flap Envelopes W/Peel & Press; Smoke Gray, 50/Pk
Item #: 901-282130LUX
Item #: 901-282130LUX
Smoke
Size: 5 1/2" x 5 1/2"
Closure: Peel and press
$18.59
Per pack
($0.37/Envelope)
Add to cart
Earn 18 points
Free delivery w/ $25+
Price drop
LUX® 80lb 4 3/4x6 1/2 Square Flap Envelopes W/Peel&Press; Bright White, 250/BX
Quick view
LUX® 80lb 4 3/4"x6 1/2" Square Flap Envelopes W/Peel&Press; Bright White, 250/BX
Item #: 901-513970LUX
Item #: 901-513970LUX
250/box
Bright white
Size: A6 (4 3/4"x6 1/2")
$46.39
Per box
($0.19/Envelope)
Add to cart
Earn 46 points
Free delivery
JAM Paper 11.5 x 11.5 Large Square Invitation Envelopes, White, 25/Pack (3992321)JAM Paper 11.5 x 11.5 Large Square Invitation Envelopes, White, 25/Pack (3992321)
Quick view
JAM Paper 11.5" x 11.5" Large Square Invitation Envelopes, White, 25/Pack (3992321)
Item #: 901-261310JAM
(2)
Item #: 901-261310JAM
Size: 11 1/2" x 11 1/2"
Closure: Gum
Opening: Square
$33.99
Per pack
($1.36/Envelope)
Add to cart
Earn 33 points
Free delivery
JAM Paper 6 x 6 Square Invitation Envelopes, Dark Grey, 25/Pack (36396439)JAM Paper 6 x 6 Square Invitation Envelopes, Dark Grey, 25/Pack (36396439)
Quick view
JAM Paper 6 x 6 Square Invitation Envelopes, Dark Grey, 25/Pack (36396439)
Item #: 901-261454JAM
Item #: 901-261454JAM
Size: 6" x 6"
Closure: Gum
Opening: Square
$30.99
Per pack
($1.24/Envelope)
Add to cart
Earn 30 points
Free delivery
Price drop
JAM Paper 4.5 x 4.5 Square Invitation Envelopes, White, 100/Pack (439911145B)JAM Paper 4.5 x 4.5 Square Invitation Envelopes, White, 100/Pack (439911145B)
Quick view
JAM Paper 4.5 x 4.5 Square Invitation Envelopes, White, 100/Pack (439911145B)
Item #: 901-261316JAM
(3)
Item #: 901-261316JAM
Size: 4 1/2" x 4 1/2"
Closure: Gum
Opening: Square
$23.99
Per box
($0.24/Envelope)
Add to cart
Earn 23 points
Free delivery w/ $25+
JAM Paper 8.5 x 8.5 Square Colored Invitation Envelopes, Red Recycled, 25/Pack (2794374)JAM Paper 8.5 x 8.5 Square Colored Invitation Envelopes, Red Recycled, 25/Pack (2794374)
Quick view
JAM Paper 8.5 x 8.5 Square Colored Invitation Envelopes, Red Recycled, 25/Pack (2794374)
Item #: 901-260832JAM
Item #: 901-260832JAM
Size: 8 1/2" x 8 1/2"
Closure: Gum
Opening: Square
$25.99
Per pack
($1.04/Envelope)
Add to cart
Earn 25 points
Free delivery
Price drop
JAM Paper 6 x 6 Square Envelopes, Peel & Press, Ruby Red, 50/Pack (8525-18-50)JAM Paper 6 x 6 Square Envelopes, Peel & Press, Ruby Red, 50/Pack (8525-18-50)
Quick view
JAM Paper 6 x 6 Square Envelopes, Peel & Press, Ruby Red, 50/Pack (8525-18-50)
Item #: 901-24578455
Item #: 901-24578455
Square Envelopes
6" x 6"
Ruby Red
$14.99
Per pack
($0.30/Envelope)
Add to cart
Earn 14 points
Free delivery w/ $25+
JAM Paper 8.5 x 8.5 Square Invitation Envelopes, Dark Purple, 25/Pack (563912527)JAM Paper 8.5 x 8.5 Square Invitation Envelopes, Dark Purple, 25/Pack (563912527)
Quick view
JAM Paper 8.5 x 8.5 Square Invitation Envelopes, Dark Purple, 25/Pack (563912527)
Item #: 901-261631JAM
Item #: 901-261631JAM
25 envelopes per pack
Envelope type: Business
Closure: Gum
$30.99
Per pack
($1.24/Envelope)
Add to cart
Earn 30 points
Free delivery
Lux® 5 1/4 x 7 1/4 60lbs. Lined Envelopes W/Peel & Press; White/Silver LUX Lining
Quick view
Lux® 5 1/4" x 7 1/4" 60lbs. Lined Envelopes W/Peel & Press; White/Silver LUX Lining
Item #: 901-282847LUX
Item #: 901-282847LUX
White/silver LUx lining
Size: A7 (5 1/4" x 7 1/4")
Closure: Peel and press
$17.99
Per pack
($0.36/Envelope)
Add to cart
Earn 17 points
Free delivery w/ $25+
Price drop
LUX® 70lb 8x8 Square Flap Envelopes W/Peel&Press; Bright White, 500/BX
Quick view
LUX® 70lb 8"x8" Square Flap Envelopes W/Peel&Press; Bright White, 500/BX
Item #: 901-516584LUX
Item #: 901-516584LUX
500/box
Bright white
Size: 8"x8"
$140.39
Per box
($0.28/Envelope)
Add to cart
Earn 140 points
Free delivery
JAM Paper 5 x 5 Square Invitation Envelopes, Black Linen, 25/Pack (V01209)JAM Paper 5 x 5 Square Invitation Envelopes, Black Linen, 25/Pack (V01209)
Quick view
JAM Paper 5 x 5 Square Invitation Envelopes, Black Linen, 25/Pack (V01209)
Item #: 901-261574JAM
Item #: 901-261574JAM
Size: 5" x 5"
Closure: Gum
Opening: Square
$25.99
Per pack
($1.04/Envelope)
Add to cart
Earn 25 points
Free delivery
JAM Paper 10 x 10 Large Square Invitation Envelopes, White, Bulk 250/Box (3992319H)JAM Paper 10 x 10 Large Square Invitation Envelopes, White, Bulk 250/Box (3992319H)
Quick view
JAM Paper 10 x 10 Large Square Invitation Envelopes, White, Bulk 250/Box (3992319H)
Item #: 901-1589834JAM
Item #: 901-1589834JAM
Envelope Size: 10" x 10"
White envelope
Blank interior for personalized message
$158.99
Per pack
($0.64/Envelope)
Add to cart
Earn 158 points
Free delivery
Out of stock
Lux® 2 7/8 x 6 1/2 Square Flap Currency Envelopes; White, 50/Pk
Quick view
Lux® 2 7/8" x 6 1/2" Square Flap Currency Envelopes; White, 50/Pk
Item #: 901-282966LUX
Item #: 901-282966LUX
A9 Invitation Envelopes (5 3/4 x 8 3/4) are perfect for party invites/thank you cards/wedding invites/announcements
Size: 2 7/8" x 6 1/2"
Closure: Square flap
$12.69
Per pack
($0.25/Envelope)
Notify me
Earn 12 points
5 6 7 ... 13
Displaying 121-144 of 293

Delivering quality & savings with our in-house brands

Staples logo Tru Red logo Union & Scale logo Pick Me Up logo Coastwide logo Workplace logo Perk logo Staples tech logo
Trustpilot logo Trustpilot rating 4.5 out of 5

Quill help center

Call us 1-800-982-3400

New to Quill? Would you like to learn more about how we can help your business?

Start a chat.
Email us.
Looking for coupons?
You will be redirected to travel.quill.com in a new tab. Hit Okay to continue.
Okay
Go to Cart
Subtotal: ( items / rewards):
Rewards balance:
Rewards & coupons center
Loading your cart
Quick view
Shared Cart Details
Please review this product
Upgrade to Rewards+
$49.99/year
Member benefits
$41.99 Quill 10-Ream Copy Paper
Up to 4 cartons per month
10% in QUILLCASH Rewards on ink & toner
View policy
$15 off monthly coupon
Always free shipping
View policy
Earn 10% more points + more time to use
5% off everday prices
10% off discount on in-house brands
Member exclusive rewards
Site-wide price match guarantee
View policy
Disclaimer
Offers and discounts exclude HP,Samsung and Epson. We offer a worry-free enrollment guarantee - if you are not satisfied with your Rewards+ membership, you can cancel at any time for a prorated refund. By enrolling into the Reward+ program, you are agreeing to the Terms and Conditions.
See full membership details