Skip to main content Skip to footer
Customize your holiday gifts today
Get $20 off your first order of $100
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


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

Shop Square Envelopes

   (293 Products)
Filter by:
Clear
JAM Paper (152)
LUX (141)
Clear
White (122)
Clear (21)
Gold (7)
Black (24)
Beige (11)
Blue (11)
Green (9)
Pink (9)
Brown (18)
Red (15)
Gray/Silver (13)
Yellow (8)
Ivory (2)
Purple (2)
Metallic (1)
Multicolor (1)
Natural (1)
Natural Kraft (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 (4)
$10 - $20 (51)
$20 - $30 (51)
$30 - $40 (32)
$40 - $50 (16)
$50 - $60 (18)
$60 - $70 (17)
$70 - $80 (5)
$80 - $90 (4)
$90 - $100 (10)
$100 - $150 (40)
$150 - $200 (20)
$200 - $300 (19)
$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)
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, 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
JAM Paper 8.5 x 8.5 Square Invitation Envelopes, White, 50/Pack (4231I)JAM Paper 8.5 x 8.5 Square Invitation Envelopes, White, 50/Pack (4231I)
Quick view
JAM Paper 8.5 x 8.5 Square Invitation Envelopes, White, 50/Pack (4231I)
Item #: 901-1588502JAM
Item #: 901-1588502JAM
White square envelope
Blank interior for personalized message
Envelope Size: 8.5" x 8.5"
$32.99
Per pack
($0.66/Envelope)
Add to cart
Earn 32 points
Free delivery
LUX® 70lbs. 2 7/8 x 6 1/2 Square Flap Currency Envelopes; Gold Bow, 500/BX
Quick view
LUX® 70lbs. 2 7/8" x 6 1/2" Square Flap Currency Envelopes; Gold Bow, 500/BX
Item #: 901-386152LUX
Item #: 901-386152LUX
Gold bow
Size: 2 7/8" x 6 1/2"
Opening: Square flap
$43.59
Per box
($0.09/Envelope)
Add to cart
Earn 43 points
Free delivery
LUX® 4 3/8 x 5 3/4 Square Flap Envelopes W/Peel & Press; Gold Metallic, 1000/BX
Quick view
LUX® 4 3/8" x 5 3/4" Square Flap Envelopes W/Peel & Press; Gold Metallic, 1000/BX
Item #: 901-385149LUX
Item #: 901-385149LUX
Gold metallic
Size: A2 (4 3/8" x 5 3/8")
Closure: Peel & press
$181.99
Per box
($0.18/Envelope)
Add to cart
Earn 181 points
Free delivery
JAM Paper Square Envelopes, Peel & Press, Candy Pink, 6 1/4 x 6 1/4, 50 Pack (8530-23-50)
Quick view
JAM Paper Square Envelopes, Peel & Press, Candy Pink, 6 1/4 x 6 1/4, 50 Pack (8530-23-50)
Item #: 901-24578544
Item #: 901-24578544
Square Envelopes
6.25" x 6.25"
Pink
$20.99
Per pack
($0.42/Envelope)
Add to cart
Earn 20 points
Free delivery w/ $25+
JAM Paper 5.5 x 5.5 Square Invitation Envelopes, White, 25/Pack (28415)JAM Paper 5.5 x 5.5 Square Invitation Envelopes, White, 25/Pack (28415)
Quick view
JAM Paper 5.5 x 5.5 Square Invitation Envelopes, White, 25/Pack (28415)
Item #: 901-261298JAM
Item #: 901-261298JAM
Size: 5 1/2" x 5 1/2"
Closure: Gum
Opening: Square
$20.19
Per pack
($0.81/Envelope)
Add to cart
Earn 20 points
Free delivery w/ $25+
JAM Paper 6 x 6 Square Invitation Envelopes, White, 100/Pack (28416B)JAM Paper 6 x 6 Square Invitation Envelopes, White, 100/Pack (28416B)
Quick view
JAM Paper 6 x 6 Square Invitation Envelopes, White, 100/Pack (28416B)
Item #: 901-261320JAM
(3)
Item #: 901-261320JAM
Size: 6" x 6"
Closure: Gum
Opening: Square
$48.99
Per box
($0.49/Envelope)
Add to cart
Earn 48 points
Free delivery
LUX® 70lb 5 3/4x8 3/4 Square Flap Linen Envelopes W/Peel&Press; Natural, 500/BX
Quick view
LUX® 70lb 5 3/4"x8 3/4" Square Flap Linen Envelopes W/Peel&Press; Natural, 500/BX
Item #: 901-515929LUX
Item #: 901-515929LUX
Natural linen
Size: A9 (5 3/4"x8 3/4")
Closure: Peel & press
$136.99
Per box
($0.27/Envelope)
Add to cart
Earn 136 points
Free delivery
New Customers
Save
$20 off when you spend $100 - New Customer Offer
Discount
Limit 1
0 points
Details
Redeemed
0 Redeemed
Redeem Redeem
Featured
Save
$10 Prezzee COFFEE eGift Card - includes Starbucks, Dunkin and more
210 points
175 points
Details
0 Redeemed
Redeem Redeem
New Customers
Save
8 Soft Cookies - Choc Chip, Snickerdoodle, Oatmeal & Vanilla8 Soft Cookies - Choc Chip, Snickerdoodle, Oatmeal & Vanilla
75 points
25 points
Details
0 Redeemed
Redeem Redeem
Featured
Save
Mystery Gift - up to $19.99 value
99 points
Details
0 Redeemed
Redeem Redeem
LUX® 6 x 9 1/2 30lbs. Square Flap Envelopes W/Peel & Press, Clear Translucent, 50/Pack
Quick view
LUX® 6" x 9 1/2" 30lbs. Square Flap Envelopes W/Peel & Press, Clear Translucent, 50/Pack
Item #: 901-282415LUX
Item #: 901-282415LUX
A10 Invitation Envelopes (6 x 9 1/2) are perfect for party invites/thank you cards/wedding invites/announcements
Comes in Clear Translucent, 30lb. Text Paper
Dimensions: 6"L x 9 1/2"W
$43.89
Per pack
($0.88/Envelope)
Add to cart
Earn 43 points
Free delivery
LUX 5 x 5 Square Envelopes, 50/Box, Holiday Green (8505-12-50)
Quick view
LUX 5 x 5 Square Envelopes, 50/Box, Holiday Green (8505-12-50)
Item #: 901-282152LUX
Item #: 901-282152LUX
5 x 5 Square Envelopes are perfect for announcements/weddings/greeting cards/invitations
Comes in Holiday Green, 80lb. Text Paper
Dimensions: 5"L x 5"W
$18.99
Per pack
($0.38/Envelope)
Add to cart
Earn 18 points
Free delivery w/ $25+
JAM Paper 6 x 6 Square Envelopes, Peel & Press, Black Linen, 50/Pack (8525-BLI-50)JAM Paper 6 x 6 Square Envelopes, Peel & Press, Black Linen, 50/Pack (8525-BLI-50)
Quick view
JAM Paper 6 x 6 Square Envelopes, Peel & Press, Black Linen, 50/Pack (8525-BLI-50)
Item #: 901-24578460
Item #: 901-24578460
Square Envelopes
6" x 6"
Black
$18.99
Per pack
($0.38/Envelope)
Add to cart
Earn 18 points
Free delivery w/ $25+
Lux® 5 3/4 x 8 3/4 60lbs. Square Flap Envelopes W/Peel & Press; White/Gold LUX Lining
Quick view
Lux® 5 3/4" x 8 3/4" 60lbs. Square Flap Envelopes W/Peel & Press; White/Gold LUX Lining
Item #: 901-282956LUX
Item #: 901-282956LUX
A9 Invitation Envelopes (5 3/4 x 8 3/4) are perfect for party invites/thank you cards/wedding invites/announcements
Size: A9 (5 3/4" x 8 3/4")
Closure: Peel and press
$26.99
Per pack
($0.54/Envelope)
Add to cart
Earn 26 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
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+
LUX® 60lb 4 3/8x5 3/4 Square Flap Envelopes W/Peel&Press; White W/Black LUX, 500/BX
Quick view
LUX® 60lb 4 3/8"x5 3/4" Square Flap Envelopes W/Peel&Press; White W/Black LUX, 500/BX
Item #: 901-513840LUX
Item #: 901-513840LUX
White with black LUx lining
Size: A2 (4 3/8"x5 3/4")
Closure: Peel & press
$108.29
Per box
($0.22/Envelope)
Add to cart
Earn 108 points
Free delivery
LUX 5 1/2 x 5 1/2 Square Envelopes, 50/Box, White - 100% Recycled (8515-WPC-50)
Quick view
LUX 5 1/2 x 5 1/2 Square Envelopes, 50/Box, White - 100% Recycled (8515-WPC-50)
Item #: 901-282135LUX
(1)
Item #: 901-282135LUX
5 1/2 x 5 1/2 Square Envelopes are perfect for announcements/weddings/greeting cards/invitations
Comes in White - 100% Recycled, 80lb. Text Paper
Dimensions: 5 1/2"L x 5 1/2"W
$27.99
1-2 pack
($0.56/Envelope)
Save 11%
$24.99
3+ pack
($0.50/Envelope)
Add to cart
Earn 27 points
Free delivery
80 lb 6 1/4 x 6 1/4 Peel & Press Square Envelopes, Navy Blue, 50/Pack
Quick view
80 lb 6 1/4" x 6 1/4" Peel & Press Square Envelopes, Navy Blue, 50/Pack
Item #: 901-1030063LUX
(1)
Item #: 901-1030063LUX
Square envelopes perfect for announcements/weddings/greeting cards/invitations
Comes in Navy, 80lb. Text Paper
Dimensions: 6 1/4"H x 6 1/4"W
$31.99
Per pack
($0.64/Envelope)
Add to cart
Earn 31 points
Free delivery
JAM Paper 7.5 x 7.5 Square Translucent Vellum Invitation Envelopes, Clear, 25/Pack (81981)
Quick view
JAM Paper 7.5 x 7.5 Square Translucent Vellum Invitation Envelopes, Clear, 25/Pack (81981)
Item #: 901-262128JAM
Item #: 901-262128JAM
Size: 7 1/2" x 7 1/2"
Closure: Gum
Opening: Square
$30.99
Per pack
($1.24/Envelope)
Add to cart
Earn 30 points
Free delivery
LUX 7 x 7 Square Envelopes, 250/Box, Pool (LUX-8545-102-25)
Quick view
LUX 7 x 7 Square Envelopes, 250/Box, Pool (LUX-8545-102-25)
Item #: 901-387951LUX
Item #: 901-387951LUX
Moisture-activated glue closure creates a smooth, secure seal
Comes in 70lb. Bright white, 70lb. Text paper
Laser and inkjet printer compatible
$36.09
Per box
($0.14/Envelope)
Add to cart
Earn 36 points
Free delivery
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"
$114.29
Per pack
($0.46/Envelope)
Add to cart
Earn 114 points
Free delivery
JAM Paper 7 1/2 x 7 1/2 Square Envelopes ,Sunflower, 50 Pack, Yellow (EX8555-12-50)
Quick view
JAM Paper 7 1/2 x 7 1/2 Square Envelopes ,Sunflower, 50 Pack, Yellow (EX8555-12-50)
Item #: 901-24578550
Item #: 901-24578550
Square Envelopes
7.5" x 7.5"
Yellow
$18.99
Per pack
($0.38/Envelope)
Add to cart
Earn 18 points
Free delivery w/ $25+
JAM Paper Square Envelopes, Peel & Press, Seafoam, 3 1/4 x 3 1/4, 500 Pack (8503-113-500)
Quick view
JAM Paper Square Envelopes, Peel & Press, Seafoam, 3 1/4 x 3 1/4, 500 Pack (8503-113-500)
Item #: 901-24578562
Item #: 901-24578562
Square Envelopes
5.25" x 5.25"
Seafoam Green
$109.99
Per pack
($0.22/Envelope)
Add to cart
Earn 109 points
Free delivery
JAM Paper 6.5 x 6.5 Square Invitation Envelopes, White, 100/Pack (28417B)JAM Paper 6.5 x 6.5 Square Invitation Envelopes, White, 100/Pack (28417B)
Quick view
JAM Paper 6.5 x 6.5 Square Invitation Envelopes, White, 100/Pack (28417B)
Item #: 901-261322JAM
Item #: 901-261322JAM
Size: 6 1/2" x 6 1/2"
Closure: Gum
Opening: Square
$50.99
Per box
($0.51/Envelope)
Add to cart
Earn 50 points
Free delivery
Lux® 4 1/4 x 6 1/4 80lbs. Square Flap Envelopes W/Peel & Press; Candy Pink, 50/Pk
Quick view
Lux® 4 1/4" x 6 1/4" 80lbs. Square Flap Envelopes W/Peel & Press; Candy Pink, 50/Pk
Item #: 901-282544LUX
Item #: 901-282544LUX
Candy Pink
Size: A4 (4 1/4" x 6 1/4")
Closure: Peel and press
$12.59
Per pack
($0.25/Envelope)
Add to cart
Earn 12 points
Free delivery w/ $25+
1 23 ... 13
Displaying 1-24 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
$39.99 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