Staples Self Seal Self Seal Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", White, 500/Box (ST28731-CC)
$19.99
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Highlights
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- Pressure Sensitive Adhesive
- #9 business envelopes are suitable for all your mailing needs
- These envelopes measure 3 7/8"H x 8 7/8"L in size, providing enough space for your mail
STAPLES BRAND
Staples Self Seal Self Seal Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", White, 500/Box (ST28731-CC)
Item #: 1775861Model #: ST28731-CC
$19.99
$34.99
42% off
500/box$0.04/Envelope
Free Returns
Online. In store. Always free.
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Consider this similar product
Price is $19.99, Regular price was $34.99, You save 42%
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Customers bought together
Staples Self Seal Self Seal Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", White, 500/Box (ST28731-CC) is Your Product
Price is $19.99, Regular price was $34.99, You save 42%
Selected
Delivery by Thu, Sep 11
Price for all 4
$54.76
About this product
Send mail easily with this 500-pack of Staples security-tinted double-window self-sealing #9 envelopes.
Give outgoing mail a professional look with these Staples Reveal-n-Seal double-window self-sealing envelopes. Each envelope has a double window, letting you display both the destination address and the return address at the same time, while the self-sealing flap makes it easy to close and secure each envelope. These Staples double-window self-sealing envelopes have a security-tint design that helps keep confidential information private.
- Pressure Sensitive Adhesive
- #9 business envelopes are suitable for all your mailing needs
- These envelopes measure 3 7/8"H x 8 7/8"L in size, providing enough space for your mail
- White color is ideal for business or personal correspondence
- Closure with wallet flap seals securely without moistening
- Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope
- Double-window envelopes for easy display of addresses
- Convenient box of 500 envelopes ensures ample supply
- The flap is on the long side for easier filling
- Top Window: 1-3/16" x 3-1/2" Position: 3/8" from left and 2" from bottom
- Bottom Window: 1" x 4" Position: 3/8" from left and 1/2" from bottom
- Product closure may vary for a limited time
Frequently bought together
Price is $108.99, Regular price was $119.49, You save 8%
Free delivery by Thu, Sep 11
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Over 30
Price is $104.99, Regular price was $116.19, You save 9%
Free delivery by Thu, Sep 11
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Over 30
Price is $19.99, Regular price was $34.99, You save 42%
Unit of measure 500/Box Price per unit $0.04/Envelope
Delivery by Thu, Sep 11
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Over 30
Price is $3.29
Delivery by Thu, Sep 11
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Over 30
Staples Reveal-N-Seal Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", White, 500/Box (1017262) is New at Staples
Price is $59.99
Unit of measure 500/Box Price per unit $0.12/Box
Free delivery by Thu, Sep 11
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Staples TECH AA Alkaline Battery, 24 Pack (ST63253-CC/US) is New at Staples
Price is $19.52, Regular price was $22.97, You save 15%
Unit of measure 24/Box
Delivery by Thu, Sep 11
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Over 30
Price is $228.09
Free delivery by Thu, Sep 11
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Over 30
Price is $10.89
Unit of measure 60/Pack Price per unit $0.18/Binder Clip
Delivery by Thu, Sep 11
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Over 30
Price is $10.49
Unit of measure 50/Box Price per unit $0.21/Tub
Delivery by Thu, Sep 11
30-min pickup
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Over 30
Price is $37.29
Unit of measure 24/Pack Price per unit $0.50/100 sheets
Free delivery by Thu, Sep 11
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Price is $19.99
Unit of measure 300/Pack Price per unit $0.07/Fork
Delivery by Thu, Sep 11
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Over 30
Price is $34.09
Unit of measure 500/Box Price per unit $0.07/Envelope
Delivery by Thu, Sep 11
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Over 30
Price is $69.09
Free delivery by Wed, Sep 17
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SaharaCase Hybrid Flex Series Case for Apple iPad 10.2" (9th Generation 2021), Clear Blue (TB00073) is New at Staples
Price is $29.99
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Over 30
Price is $15.29
Unit of measure 100/Box Price per unit $0.15/Glove
Delivery by Thu, Sep 11
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Over 30
Price is $63.59
Unit of measure 25/Pack
Free delivery by Tue, Sep 16
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2026 Blue Sky Passages 7" x 9" Calendar Year Monthly Planner, Plastic Cover, Black (153960) is In-store only
Price is $19.99
See alternate delivery items
30-min pickup
Price is $14.09
Delivery by Thu, Sep 18
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Over 30
Price is $39.19
Price per unit $39.19/Each
Free delivery by Wed, Sep 17
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Compare similar items
| Attributes | Staples Self Seal Self Seal Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", White, 500/Box (ST28731-CC) | Staples Self Seal Self Seal Security Tinted #8 Double Window Envelopes, 3 5/8" x 8 5/8", White, 500/Box (ST28732-CC) | Quality Park Redi-Seal Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", White Wove, 500/Box (QUA24529) | Staples QuickStrip EasyClose Self Seal Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST50312-CC) | Staples Self Seal Self Seal Security Tinted #10 Double Window Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST28730-CC) |
|---|---|---|---|---|---|
Your product Staples Self Seal Self Seal Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", White, 500/Box (ST28731-CC) Price is $19.99, Regular Price was $34.99, You save 42% |  Price is $19.99, Regular Price was $34.99, You save 42% |  Price is $96.99 |  Price is $26.99 |  Price is $19.99, Regular Price was $34.99, You save 42% | |
| Reviews | |||||
| Delivery Information | Delivery by Thu, Sep 11 | Delivery by Thu, Sep 11 | Free delivery by Thu, Sep 11 | Delivery by Thu, Sep 11 | Delivery by Thu, Sep 11 |
| Available in my store | No | No | No | Yes | No |
| Envelope Window Location | Double-Left | Double-Left | Double-Left | None | Double-Left |
| True Color | White | White | White Wove | White | White |
| Width in Inches | 8.875 | 8.625 | 3.875 | 9.5 | 9.5 |
| Paper Weight in Pounds | 24 | 24 | 24 | 24 | 24 |
| Color Family | White | White | White | White | White |
| Envelope Number | #9 | #8 | #9 | #10 | #10 |
| Envelope Flap Style | Square | Square | Wallet | Square | Square |
| Envelope Size | 3 7 / 8" x 8 7 / 8" | 3 5 / 8" x 8 5 / 8" | 3 7 / 8" x 8 7 / 8" | 4 1 / 8" x 9 1 / 2" | 4 1 / 8" x 9 1 / 2" |
| Envelope Closure | Self Seal | Self Seal | Self Seal | Self Seal | Self Seal |
| Envelope Pack Size | 500 Per Pack | 500 Per Pack | 500 Per Pack | 500 Per Pack | 500 Per Pack |
| Envelope Paper Finish | Wove | Wove | Wove | Wove | Wove |
| Height in Inches | 3.875 | 3.625 | 8.875 | 4.125 | 4.125 |
| Pack Qty | 500 | 500 | 500 | 500 | 500 |
| Security Tint | Security Tinted | Security Tinted | Security Tinted | Security Tinted | Security Tinted |
| Envelope Material | Paper | Paper | Paper | Paper | Paper |
| Envelope Type | Double Window | Double Window | Double Window | Business | Double Window |
| Price Per Unit | $0.04 / Envelope | $0.04 / Envelope | $0.19 / Envelope | $0.05 / Envelope | $0.04 / Envelope |
| Add To Cart | Add To Cart | Add To Cart | Add To Cart |
Featured Products
Price is $11.09
Unit of measure 100/Pack
Delivery by Tue, Sep 16
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Price is $16.69
Unit of measure 25/Pack
Delivery by Tue, Sep 16
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Price is $16.99
Unit of measure 50/Pack
Delivery by Tue, Sep 16
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Price is $11.19
Unit of measure 25/Pack
Delivery by Tue, Sep 16
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Price is $9.39
Unit of measure 25/Pack
Delivery by Tue, Sep 16
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Price is $16.69
Unit of measure 100/Pack
Delivery by Tue, Sep 16
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Price is $9.39
Unit of measure 25/Pack
Delivery by Tue, Sep 16
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Over 30
Price is $15.49
Unit of measure 25/Pack
Delivery by Tue, Sep 16
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Over 30
Price is $14.39
Unit of measure 50/Pack Price per unit $0.29/Envelope
Delivery by Tue, Sep 16
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Over 30
Price is $14.49
Unit of measure 50/Pack
Delivery by Tue, Sep 16
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Over 30
Price is $13.29
Unit of measure 25/Pack
Delivery by Tue, Sep 16
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Over 30
Price is $13.95
Unit of measure 50/Pack
Delivery by Tue, Sep 16
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Over 30
Price is $9.69
Unit of measure 25/Pack
Delivery by Tue, Sep 16
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Over 30
Price is $9.69
Unit of measure 25/Pack
Delivery by Tue, Sep 16
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Price is $14.49
Unit of measure 100/Pack
Delivery by Tue, Sep 16
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