Skip to main content Skip to footer
Same-day document printing
Get $15 off your first order of $150
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)
Black (24)
Clear (21)
Blue (11)
Brown (18)
Red (15)
Green (9)
Purple (2)
Gray/Silver (13)
Beige (11)
Pink (9)
Yellow (8)
Gold (7)
Ivory (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)
1000 Per Pack (28)
100 Per Pack (17)
All filters
Sort by:
Best matchPrice: High-LowPrice: Low-HighRating: High-Low
All filters 293 items found
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
$26.99
Per pack
($1.08/Envelope)
Add to cart
Earn 26 points
Free delivery
JAM Paper® 8 x 8 Square Invitation Envelopes, White, 100/Pack (03992315B)
Quick view
JAM Paper® 8 x 8 Square Invitation Envelopes, White, 100/Pack (03992315B)
Item #: 901-261325JAM
Item #: 901-261325JAM
Size: 8" x 8"
Closure: Gum
Opening: Square
$46.99
Per box
($0.47/Envelope)
Add to cart
Earn 46 points
Free delivery
Lux® 5 3/4 x 8 3/4 80lbs. Square Flap Envelopes W/Peel & Press; Pool Blue, 50/Pk
Quick view
Lux® 5 3/4" x 8 3/4" 80lbs. Square Flap Envelopes W/Peel & Press; Pool Blue, 50/Pk
Item #: 901-282938LUX
Item #: 901-282938LUX
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
$14.59
Per pack
($0.29/Envelope)
Add to cart
Earn 14 points
Free delivery w/ $25+
JAM Paper Square Envelopes, Peel & Press, 100lb Citrus Yellow, 6 1/4 x 6 1/4, 50 Pack, (8530-L20-50)
Quick view
JAM Paper Square Envelopes, Peel & Press, 100lb Citrus Yellow, 6 1/4 x 6 1/4, 50 Pack, (8530-L20-50)
Item #: 901-24578542
Item #: 901-24578542
Square Envelopes
6.25" x 6.25"
Yellow
$18.99
Per pack
($0.38/Envelope)
Add to cart
Earn 18 points
Free delivery w/ $25+
LUX 80lbs. 5 x 5 Square Envelopes W/Peel & Press, Pool Blue, 250/BX
Quick view
LUX 80lbs. 5" x 5" Square Envelopes W/Peel & Press, Pool Blue, 250/BX
Item #: 901-388714LUX
Item #: 901-388714LUX
5 x 5 Square Envelopes are perfect for announcements/weddings/greeting cards/invitations
Comes in Pool, 80lb. Text Paper
Dimensions: 5"L x 5"W
$57.99
Per box
($0.23/Envelope)
Add to cart
Earn 57 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 3/8 x 5 3/4 60lbs. Lined Envelopes W/Peel & Press; White/Black LUX Lining
Quick view
Lux® 4 3/8" x 5 3/4" 60lbs. Lined Envelopes W/Peel & Press; White/Black LUX Lining
Item #: 901-282523LUX
Item #: 901-282523LUX
White/black LUx lining
Size: A2 (4 3/8" x 5 3/4")
Closure: Peel and press
$17.29
Per pack
($0.35/Envelope)
Add to cart
Earn 17 points
Free delivery w/ $25+
LUX® 80lb 4 3/8x5 3/4 Square Flap Linen Envelopes W/Peel&Press; Black, 500/BX
Quick view
LUX® 80lb 4 3/8"x5 3/4" Square Flap Linen Envelopes W/Peel&Press; Black, 500/BX
Item #: 901-516393LUX
Item #: 901-516393LUX
Black linen
Size: A2 (4 3/8"x5 3/4")
Closure: Peel & press
$78.99
Per box
($0.16/Envelope)
Add to cart
Earn 78 points
Free delivery
New Customers
Save
$5 off when you spend $100
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 5 x 5 Square Envelopes, 250/Box, Holiday Red (8505-15-250)
Quick view
LUX 5 x 5 Square Envelopes, 250/Box, Holiday Red (8505-15-250)
Item #: 901-385707LUX
Item #: 901-385707LUX
5 x 5 Square Envelopes are perfect for announcements/weddings/greeting cards/invitations
Comes in Holiday Red, 60lb. Text Paper
Closure: Peel & press
$58.99
Per box
($0.24/Envelope)
Add to cart
Earn 58 points
Free delivery
JAM Paper 5.5 x 5.5 Square Invitation Envelopes, Black Linen, 50/Pack (V01210I)JAM Paper 5.5 x 5.5 Square Invitation Envelopes, Black Linen, 50/Pack (V01210I)
Quick view
JAM Paper 5.5 x 5.5 Square Invitation Envelopes, Black Linen, 50/Pack (V01210I)
Item #: 901-1588419JAM
Item #: 901-1588419JAM
Black linen recycled envelope
Blank interior for personalized message
Envelope Size: 5.5" x 5.5"
$49.99
Per pack
($1.00/EACH)
Add to cart
Earn 49 points
Free delivery
JAM Paper 7.5 x 7.5 Square Translucent Vellum Invitation Envelopes, Clear, 50/Pack (81981I)
Quick view
JAM Paper 7.5 x 7.5 Square Translucent Vellum Invitation Envelopes, Clear, 50/Pack (81981I)
Item #: 901-1589073JAM
Item #: 901-1589073JAM
Clear translucent envelope
Blank interior for personalized message
Envelope Size: 7.5" x 7.5"
$58.99
Per pack
($1.18/Envelope)
Add to cart
Earn 58 points
Free delivery
JAM PAPER Square Metallic Invitation Envelopes, 7.5 x 7.5, Silver Stardream, 25/Pack (3994896I)JAM PAPER Square Metallic Invitation Envelopes, 7.5 x 7.5, Silver Stardream, 25/Pack (3994896I)
Quick view
JAM PAPER Square Metallic Invitation Envelopes, 7.5" x 7.5", Silver Stardream, 25/Pack (3994896I)
Item #: 901-1588511JAM
Item #: 901-1588511JAM
Color: Stardream Silver
Size: 7 1/2 x 7 1/2 inches
Quantity: 25 per pack
$29.69
Per pack
($1.19/EACH)
Add to cart
Earn 29 points
Free delivery
LUX® 70lb 4 1/4x6 1/4 Square Flap Envelopes W/Peel&Press; Grocery Bag Brown, 500/BX
Quick view
LUX® 70lb 4 1/4"x6 1/4" Square Flap Envelopes W/Peel&Press; Grocery Bag Brown, 500/BX
Item #: 901-516309LUX
Item #: 901-516309LUX
500/box
Grocery bag
Size: A4 (4 1/4"x6 1/4")
$97.99
Per box
($0.20/Envelope)
Add to cart
Earn 97 points
Free delivery
JAM Paper 3.125 x 3.125 Mini Square Envelopes, White, 50/Pack (201229I)JAM Paper 3.125 x 3.125 Mini Square Envelopes, White, 50/Pack (201229I)
Quick view
JAM Paper 3.125 x 3.125 Mini Square Envelopes, White, 50/Pack (201229I)
Item #: 901-1588443JAM
(1)
Item #: 901-1588443JAM
Product Type: Tiny Envelope
White paper envelope
Size: 3.13" x 3.13"
$15.49
Per pack
($0.31/Envelope)
Add to cart
Earn 15 points
Free delivery w/ $25+
JAM Paper 6 x 6 Square Colored Invitation Envelopes, Green Recycled, 25/Pack (2792267)JAM Paper 6 x 6 Square Colored Invitation Envelopes, Green Recycled, 25/Pack (2792267)
Quick view
JAM Paper 6 x 6 Square Colored Invitation Envelopes, Green Recycled, 25/Pack (2792267)
Item #: 901-261276JAM
Item #: 901-261276JAM
Size: 6" x 6"
Closure: Gum
Opening: Square
$25.99
Per pack
($1.04/Envelope)
Add to cart
Earn 25 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® 30lb 5 1/2x8 1/8 Square Flap Envelopes W/Glue; Clear Translucent, 1000/BX
Quick view
LUX® 30lb 5 1/2"x8 1/8" Square Flap Envelopes W/Glue; Clear Translucent, 1000/BX
Item #: 901-515951LUX
Item #: 901-515951LUX
1000/box
Clear translucent
Size: A8 (5 1/2 x 8 1/8)
$356.99
Per box
($0.36/Envelope)
Add to cart
Earn 356 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
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"
$157.99
Per box
($0.32/Envelope)
Add to cart
Earn 157 points
Free delivery
JAM Paper 3.125 x 3.125 Mini Square Invitation Envelopes, Black Linen, Bulk 1000/Carton (V01200B)JAM Paper 3.125 x 3.125 Mini Square Invitation Envelopes, Black Linen, Bulk 1000/Carton (V01200B)
Quick view
JAM Paper 3.125 x 3.125 Mini Square Invitation Envelopes, Black Linen, Bulk 1000/Carton (V01200B)
Item #: 901-261596
Item #: 901-261596
Closure: Gum
Opening: Square
Material: Paper
$452.99
Per carton
($0.45/Envelope)
Add to cart
Earn 452 points
Free delivery
JAM Paper Square Envelopes, Peel & Press, Blush Pink, 6 1/4 x 6 1/4, 250 Pack, (8530-114-250)
Quick view
JAM Paper Square Envelopes, Peel & Press, Blush Pink, 6 1/4 x 6 1/4, 250 Pack, (8530-114-250)
Item #: 901-24578547
Item #: 901-24578547
Square Envelopes
6.25" x 6.25"
Blush Pink
$63.99
Per pack
($0.26/Envelope)
Add to cart
Earn 63 points
Free delivery
LUX® 80lb 4 3/4x6 1/2 Square Flap Envelopes W/Peel&Press; Bright White, 500/BX
Quick view
LUX® 80lb 4 3/4"x6 1/2" Square Flap Envelopes W/Peel&Press; Bright White, 500/BX
Item #: 901-513969LUX
Item #: 901-513969LUX
500/box
Bright white
Size: A6 (4 3/4"x6 1/2")
$93.39
Per box
($0.19/Envelope)
Add to cart
Earn 93 points
Free delivery
LUX® 70lbs. 4 3/8 x 5 3/4 Exclusive Square Flap Envelopes W/Glue; Teal Blue, 250/BX
Quick view
LUX® 70lbs. 4 3/8" x 5 3/4" Exclusive Square Flap Envelopes W/Glue; Teal Blue, 250/BX
Item #: 901-386476LUX
Item #: 901-386476LUX
Teal
Size: A2 (4 3/8" x 5 3/4")
Closure: Moistenable glue
$62.99
Per box
($0.25/Envelope)
Add to cart
Earn 62 points
Free delivery
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
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