Skip to main content Skip to footer
How Rewards Work
$10 off when you spend $100
Save 5% with Rewards+
Fanatical customer service since 1956
Rep photo Get expert
service now
Shop all
Welcome, sign in
Create account Orders
Upgrade to Rewards+
Rewards & coupons
Hot Deals Quill's House Brands
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

Shop Square Envelopes

   (293 Products)
Filter by:
Clear
JAM Paper (152)
LUX (141)
Clear
White (122)
Red (15)
Gray/Silver (13)
Pink (9)
Ivory (2)
Black (24)
Clear (21)
Beige (11)
Yellow (8)
Gold (7)
Natural (1)
Brown (18)
Blue (11)
Green (9)
Purple (2)
Metallic (1)
Multicolor (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 (65)
$20 - $30 (45)
$30 - $40 (24)
$40 - $50 (29)
$50 - $60 (13)
$60 - $70 (15)
$70 - $80 (12)
$80 - $90 (9)
$90 - $100 (8)
$100 - $150 (35)
$150 - $200 (16)
$200 - $300 (12)
$300 - $400 (3)
$400 - $500 (1)
$750 - $1000 (2)
Clear
50 Per Pack (91)
25 Per Pack (51)
500 Per Pack (60)
1000 Per Pack (28)
100 Per Pack (17)
250 Per Pack (38)
Price Drop
All filters
Sort by:
Best matchPrice: High-LowPrice: Low-HighRating: High-Low
All filters 293 items found
LUX® 80lb 4 3/8x5 3/4 Square Flap Envelopes W/Peel&Press; Citrus Yellow, 500/BX
Quick view
LUX® 80lb 4 3/8"x5 3/4" Square Flap Envelopes W/Peel&Press; Citrus Yellow, 500/BX
Item #: 901-513997LUX
Item #: 901-513997LUX
Citrus
Size: A2 (4 3/8"x5 3/4")
Closure: Peel & press
$83.39
Per box
($0.17/Envelope)
Add to cart
Earn 83 points
Free delivery
LUX® 80lb 4 1/4x6 1/4 Square Flap LUX Envelopes W/Peel&Press; Candy Pink, 500/BX
Quick view
LUX® 80lb 4 1/4"x6 1/4" Square Flap LUX Envelopes W/Peel&Press; Candy Pink, 500/BX
Item #: 901-513692LUX
Item #: 901-513692LUX
Candy pink
Size: A4 (4 1/4"x6 1/4")
Closure: Peel & press
$96.49
Per box
($0.19/Envelope)
Add to cart
Earn 96 points
Free delivery
JAM Paper® 10 x 10 Large Square Invitation Envelopes, White, 100/Pack (03992319B)JAM Paper® 10 x 10 Large Square Invitation Envelopes, White, 100/Pack (03992319B)
Quick view
JAM Paper® 10 x 10 Large Square Invitation Envelopes, White, 100/Pack (03992319B)
Item #: 901-261329JAM
(1)
Item #: 901-261329JAM
Opening: Square
Size: 10" x 10"
Closure: Gum
$69.09
Per box
($0.69/Envelope)
Add to cart
Earn 69 points
Free delivery
JAM Paper 9 x 9 Square Invitation Envelopes, Black Linen, 25/Pack (V01215)JAM Paper 9 x 9 Square Invitation Envelopes, Black Linen, 25/Pack (V01215)
Quick view
JAM Paper 9 x 9 Square Invitation Envelopes, Black Linen, 25/Pack (V01215)
Item #: 901-261581JAM
Item #: 901-261581JAM
Size: 9" x 9"
Closure: Gum
Opening: Square
$25.99
Per pack
($1.04/Envelope)
Add to cart
Earn 25 points
Free delivery
LUX® 5 1/2 x 8 1/8 60lbs. Square Flap Envelopes W/Peel & Press, White, 50/Pack
Quick view
LUX® 5 1/2" x 8 1/8" 60lbs. Square Flap Envelopes W/Peel & Press, White, 50/Pack
Item #: 901-282875LUX
Item #: 901-282875LUX
A8 Invitation Envelopes (5 1/2 x 8 1/8) are perfect for party invites/thank you cards/wedding invites/announcements
Comes in 60lb. White w/Peel & Press, 60lb. Text Paper
Dimensions: 5 1/2"L x 8 1/8"W
$24.99
1-2 pack
($0.50/Envelope)
Save 8%
$22.99
3+ pack
($0.46/Envelope)
Add to cart
Earn 24 points
Free delivery w/ $25+
JAM Paper 7.5 x 7.5 Square Invitation Envelopes, Ivory, 25/Pack (2792288)
Quick view
JAM Paper 7.5 x 7.5 Square Invitation Envelopes, Ivory, 25/Pack (2792288)
Item #: 901-24295160
Item #: 901-24295160
Ivory envelope
Size: (7 1/2 x 7 1/2) inches
Quantity: 25 envelopes per carton
$23.99
Per pack
($0.96/Envelope)
Add to cart
Earn 23 points
Free delivery w/ $25+
JAM Paper Square Foil Lined Invitation Envelopes, 6 x 6, White/Silver Foil, 50/Pack (3244688I)JAM Paper Square Foil Lined Invitation Envelopes, 6 x 6, White/Silver Foil, 50/Pack (3244688I)
Quick view
JAM Paper Square Foil Lined Invitation Envelopes, 6" x 6", White/Silver Foil, 50/Pack (3244688I)
Item #: 901-24508753
Item #: 901-24508753
Color: White with Silver Foil Lined | Foil gives envelope natural looking shine
Size: Square (6 x 6 inches) | Great way to make your occasions even more special
Quantity: 50/pack | Mail to impress
$27.99
Per pack
($0.56/Envelope)
Add to cart
Earn 27 points
Free delivery
JAM Paper Square Envelopes, Peel & Press, Blush, 6 x 6, 50 Pack (8525-114-50)
Quick view
JAM Paper Square Envelopes, Peel & Press, Blush, 6 x 6, 50 Pack (8525-114-50)
Item #: 901-24578554
Item #: 901-24578554
Square Envelopes
6" x 6"
Blush Pink
$14.99
Per pack
($0.30/Envelope)
Add to cart
Earn 14 points
Free delivery w/ $25+
Save
Starburst Fun Size 10.58 ozStarburst Fun Size 10.58 oz
75 points
Details
0 Redeemed
Redeem Redeem
Featured
Save
Trend Logic Smartphone Grip 2 PackTrend Logic Smartphone Grip 2 Pack
95 points
Details
0 Redeemed
Redeem Redeem
New Customers
Save
Lumin Essence 17ft Copper Wire Mini LightsLumin Essence 17ft Copper Wire Mini Lights
75 points
Details
0 Redeemed
Redeem Redeem
New Customers
Save
Dual USB Wall Charger PlugDual USB Wall Charger Plug
85 points
Details
0 Redeemed
Redeem Redeem
JAM Paper 2.375 x 2.375 Mini Square Envelopes, White, 100/Pack (203642A)JAM Paper 2.375 x 2.375 Mini Square Envelopes, White, 100/Pack (203642A)
Quick view
JAM Paper 2.375 x 2.375 Mini Square Envelopes, White, 100/Pack (203642A)
Item #: 901-1227806JAM
Item #: 901-1227806JAM
Color: White
Dimension: 2.4"H x 2.4"W x 0.1"D
Features: Great Attachment for Flowers and Other Gifts
$27.99
Per pack
($0.28/Envelope)
Add to cart
Earn 27 points
Free delivery
70 lb 5 3/4 x 5 3/4 Peel & Press Square Envelopes, Natural, 50/Pack
Quick view
70 lb 5 3/4" x 5 3/4" Peel & Press Square Envelopes, Natural, 50/Pack
Item #: 901-1030022LUX
Item #: 901-1030022LUX
Square envelopes perfect for announcements/weddings/greeting cards/invitations
Comes in Natural, 70lb. Text Paper
Dimensions: 5 3/4"H x 5 3/4"W
$13.99
Per pack
($0.28/Envelope)
Add to cart
Earn 13 points
Free delivery w/ $25+
JAM Paper 6 x 6 Square Metallic Invitation Envelopes, Stardream Silver, 25/Pack (V018307)JAM Paper 6 x 6 Square Metallic Invitation Envelopes, Stardream Silver, 25/Pack (V018307)
Quick view
JAM Paper 6 x 6 Square Metallic Invitation Envelopes, Stardream Silver, 25/Pack (V018307)
Item #: 901-261995JAM
Item #: 901-261995JAM
Opening: Square
Size: 6" x 6"
Closure: Gum
$33.99
Per pack
($1.36/Envelope)
Add to cart
Earn 33 points
Free delivery
JAM Paper 5.5 x 5.5 Square Translucent Vellum Invitation Envelopes, Clear, 25/Pack (74354)
Quick view
JAM Paper 5.5 x 5.5 Square Translucent Vellum Invitation Envelopes, Clear, 25/Pack (74354)
Item #: 901-262125JAM
Item #: 901-262125JAM
Clear
Size: 5 1/2" x 5 1/2"
Closure: Gum
$25.99
Per pack
($1.04/Envelope)
Add to cart
Earn 25 points
Free delivery
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+
Lux® 5 3/4 x 8 3/4 70lbs. Square Flap Envelopes W/Glue; Candy Pink, 50/Pk
Quick view
Lux® 5 3/4" x 8 3/4" 70lbs. Square Flap Envelopes W/Glue; Candy Pink, 50/Pk
Item #: 901-282911LUX
Item #: 901-282911LUX
Grocery bag
Size: A9 (5 3/4" x 8 3/4")
Closure: Moistenable glue
$17.59
Per pack
($0.35/Envelope)
Add to cart
Earn 17 points
Free delivery w/ $25+
JAM Paper 2.375 x 2.375 Mini Square Envelopes, White, 25/Pack (203642)JAM Paper 2.375 x 2.375 Mini Square Envelopes, White, 25/Pack (203642)
Quick view
JAM Paper 2.375 x 2.375 Mini Square Envelopes, White, 25/Pack (203642)
Item #: 901-262661JAM
(1)
Item #: 901-262661JAM
Size: 2 3/8" x 2 3/8"
Closure: Gum
Opening: Square
$7.99
Per pack
($0.32/Envelope)
Add to cart
Earn 7 points
Free delivery w/ $25+
JAM Paper 10.5 x 10.5 Square Invitation Envelopes, White, 25/Pack (3992320)JAM Paper 10.5 x 10.5 Square Invitation Envelopes, White, 25/Pack (3992320)
Quick view
JAM Paper 10.5" x 10.5" Square Invitation Envelopes, White, 25/Pack (3992320)
Item #: 901-261309JAM
Item #: 901-261309JAM
Size: 10 1/2" x 10 1/2"
Closure: Gum
Opening: Square
$25.99
Per pack
($1.04/Envelope)
Add to cart
Earn 25 points
Free delivery
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
JAM Paper 7.5 x 7.5 Square Invitation Envelopes with Euro Flap, Ivory, 25/Pack (2792287)JAM Paper 7.5 x 7.5 Square Invitation Envelopes with Euro Flap, Ivory, 25/Pack (2792287)
Quick view
JAM Paper 7.5 x 7.5 Square Invitation Envelopes with Euro Flap, Ivory, 25/Pack (2792287)
Item #: 901-24295161
Item #: 901-24295161
Ivory envelope
Size: (7 1/2 x 7 1/2) inches
Quantity: 25 envelopes per carton
$21.99
Per pack
($0.88/Envelope)
Add to cart
Earn 21 points
Free delivery w/ $25+
Lux® 5 1/2 x 5 1/2 70lbs. Square Flap Envelopes W/Peel & Press; Ruby Red, 50/Pk
Quick view
Lux® 5 1/2" x 5 1/2" 70lbs. Square Flap Envelopes W/Peel & Press; Ruby Red, 50/Pk
Item #: 901-282128LUX
Item #: 901-282128LUX
Ruby red
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+
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
$101.69
Per box
($0.10/Envelope)
Add to cart
Earn 101 points
Free delivery
LUX® 60lb 5 3/4x8 3/4 Square Flap Envelopes W/Peel&Press; White/Gold, 500/BX
Quick view
LUX® 60lb 5 3/4"x8 3/4" Square Flap Envelopes W/Peel&Press; White/Gold, 500/BX
Item #: 901-513774LUX
Item #: 901-513774LUX
White with gold lux lining
Size: A9 (5 3/4"x8 3/4")
Closure: Peel & press
$140.39
Per box
($0.28/Envelope)
Add to cart
Earn 140 points
Free delivery
LUX® 70lb 5x5 Square Flap Envelopes W/Peel&Press; Natural, 1000/BX
Quick view
LUX® 70lb 5"x5" Square Flap Envelopes W/Peel&Press; Natural, 1000/BX
Item #: 901-515025LUX
Item #: 901-515025LUX
1000/box
Natural
Size: 5"x5"
$106.39
Per box
($0.11/Envelope)
Add to cart
Earn 106 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
$56.29
Per box
($0.11/Envelope)
Add to cart
Earn 56 points
Free delivery
LUX 5 x 5 Square 50/Pack, Silver Metallic (8505-06-50)
Quick view
LUX 5 x 5 Square 50/Pack, Silver Metallic (8505-06-50)
Item #: 901-24260196
Item #: 901-24260196
Dimensions: 5"L x 5"W
Comes in Silver Metallic
Sold as 50 per box
$30.99
Per pack
($0.62/EACH)
Add to cart
Earn 30 points
Free delivery
1 23 ... 13
Displaying 1-24 of 293
house icon

Quill's House Brands

Business essentials you trust, savings you'll love.

Shop Quill brand Shop Coastwide brand Shop Pick Me Up brand Shop Perk brand Shop Staples brand Shop Staples tech Shop Union & Scale brand Shop Workplace 2.0 brand
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