Quality Park Redi-Seal Security Tinted #10 Window Envelope, 4 1/8" x 9 1/2", White Wove, 500/Box (21418)
$96.79
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Highlights
View all details
- Envelopes are great for mailing letters and documents
- Made from 24 lbs. white paper for durability
- These envelopes measure 4 1/8" x 9 1/2" in size, providing enough space for your mail
MADE IN AMERICA
Quality Park Redi-Seal Security Tinted #10 Window Envelope, 4 1/8" x 9 1/2", White Wove, 500/Box (21418)
Item #: 458294Model #: QUA21418
500/box$0.19/Envelope
Free Returns
Online. In store. Always free.
Learn More
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Price is $24.99,  Regular price was $28.69, You save 12%
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About this product
Prepare invoices, payments and other mailings with these Quality Park Redi-Seal self-sealing #10 single-window security envelopes.
Protect sensitive documents with these security envelopes. The blue-tint interiors shield items from view, while the clear windows let you address letters without the need for labels. The convenient peel-and-seal adhesive closures keep paperwork securely tucked inside. With a woven white design, these Quality Park Redi-Seal envelopes provide a neutral background for address labels, postage and custom stamps.
- Envelopes are great for mailing letters and documents
- Made from 24 lbs. white paper for durability
- These envelopes measure 4 1/8" x 9 1/2" in size, providing enough space for your mail
- Redi-Seal closure with commercial flap seals securely without moistening
- Security tinted pattern helps to discourage reading sensitive information through the outside of the envelope
- Convenient box of 500 envelopes ensures ample supply
- Simply position the address to show through the single-left window
- Double-flap design keeps gum from sticking before use.
- Made in the USA
Frequently bought together
Price is $27.49
Unit of measure 100/Box
Delivery by Fri, May 16
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Price is $82.09
Free delivery by Fri, May 30
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Price is $9.39
Delivery by Fri, May 16
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Over 30
Price is $76.99
Unit of measure 500/Box
Free delivery by Fri, May 16
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Over 30
Price is $65.49
Unit of measure 100/Box
Free delivery by Tue, May 20
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Price is $28.69
Unit of measure 12/Pack Price per unit $2.39/Pad
Delivery by Fri, May 16
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Price is $25.29
Unit of measure 5/Pack Price per unit $5.06/File Pocket
Delivery by Fri, May 16
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2025-2026 AT-A-GLANCE 12" x 17" Academic Monthly Wall Calendar, Purple/Red (PMA2-28-26)Â is New at Staples
Price is $18.99
Delivery by Fri, May 16
1-hr pickup
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Price is $20.99
Unit of measure 50/Pack
Delivery by Wed, May 21
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22% off of Staples Wooden Pencil, 2.2mm, #2 Medium Lead, 72/Pack (ST62810-CC)
Price is $11.99, Regular price was $15.39, You save 22%
Unit of measure 72/Pack Price per unit $0.17/Pencil
Delivery by Fri, May 16
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Price is $66.49
Unit of measure 20/Carton Price per unit $5.54/Roll
Free delivery by Fri, May 16
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Price is $2.49
Delivery by Fri, May 16
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Over 30
Price is $14.39
Delivery by Fri, May 16
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Price is $45.49
Free delivery by Fri, May 16
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Price is $5.09
Price per unit $0.25/Fl Oz
Delivery by Fri, May 16
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Price is $7.69
Unit of measure 24/Pack Price per unit $0.32/Tab
Delivery by Fri, May 16
1-hr pickup
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Price is $14.09
Delivery by Fri, May 16
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Price is $132.99
Unit of measure 75/Carton Price per unit $0.39/100 Sheet
Free delivery by Fri, May 16
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Price is $15.59
Delivery by Fri, May 16
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Price is $6.19
Unit of measure 10/Pack
Delivery by Fri, May 16
1-hr pickup
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Compare similar items
| Attributes | Quality Park Redi-Seal Security Tinted #10 Window Envelope, 4 1/8" x 9 1/2", White Wove, 500/Box (21418) | Staples Self Seal Self Seal Security Tinted #10 Window Envelopes, 4 1/8" x 9 1/2", White Wove, 500/Box (ST511290-CC) | Quality Park Redi-Strip Security Tinted #10 Business Window Envelopes, 4 1/8" x 9 1/2", White Wove, 500/Box (90119) | Quality Park Redi-Strip Self Seal #10 Window Envelope 4 1/8" x 9 1/2", White, 500/Box (QUA69222) | Staples Clasp & Moistenable Glue Kraft Catalog Envelope, 11 1/2" x 14 1/2", Brown, 100/Box (ST17748-CC) |
|---|---|---|---|---|---|
Your product Quality Park Redi-Seal Security Tinted #10 Window Envelope, 4 1/8" x 9 1/2", White Wove, 500/Box (21418) Price is $96.79 |  12% off of Staples Self Seal Self Seal Security Tinted #10 Window Envelopes, 4 1/8" x 9 1/2", White Wove, 500/Box (ST511290-CC) Price is $24.99, Regular Price was $28.69, You save 12% |  Price is $88.39 |  Price is $116.29 |  Price is $65.49 | |
| Reviews | |||||
| Delivery Information | Free delivery by Fri, May 16 | Delivery by Fri, May 16 | Free delivery by Fri, May 16 | Free delivery by Mon, May 19 | Free delivery by Tue, May 20 |
| Available in my store | No | No | No | No | No |
| True Color | White Wove | White Wove | White Wove | White | Brown |
| Color Family | White | White | White | White | Brown |
| Envelope Flap Style | Square | Square | Square | Rectangular | Square |
| Envelope Window Location | Single-Left | Single-Left | Single-Left | Single-Left | None |
| Envelope Closure | Self Seal | Self Seal | Self Seal | Self Seal | Clasp & Moistenable Glue |
| Envelope Size | 4 1 / 8" x 9 1 / 2" | 4 1 / 8" x 9 1 / 2" | 4 1 / 8" x 9 1 / 2" | 4 1 / 8" x 9 1 / 2" | 11 1 / 2" x 14 1 / 2" |
| Envelope Pack Size | 500 Per Pack | 500 Per Pack | 500 Per Pack | 500 Per Pack | 100 Per Pack |
| Security Tint | Security Tinted | Security Tinted | Security Tinted | Untinted | Untinted |
| Envelope Material | Paper | Paper | Paper | Paper | Kraft |
| Envelope Type | Window | Window | Window | Window | Catalog |
| Pack Qty | 1 | 500 | 1 | 500 | 100 |
| Height in Inches | 9.5 | 4.125 | 9.5 | 9.5 | 14.5 |
| Paper Weight in Pounds | 24 | 24 | 24 | 24 | 28 |
| Envelope Number | #10 | #10 | #10 | #10 | Data not available |
| Envelope Paper Finish | Wove | Wove | Wove | Wove | Smooth |
| Width in Inches | 4.125 | 9.5 | 4.125 | 4.125 | 11.5 |
| Next Day Delivery | Yes | Yes | Yes | Data not available | Yes |
| 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 Wed, May 21
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Price is $14.39
Unit of measure 50/Pack Price per unit $0.29/Envelope
Delivery by Wed, May 21
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Price is $16.69
Unit of measure 100/Pack
Delivery by Wed, May 21
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Over 30
Price is $13.95
Unit of measure 50/Pack
Delivery by Wed, May 21
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Price is $9.69
Unit of measure 25/Pack
Delivery by Wed, May 21
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Price is $14.49
Unit of measure 100/Pack
Delivery by Wed, May 21
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Price is $11.19
Unit of measure 25/Pack
Delivery by Wed, May 21
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Over 30
Price is $13.29
Unit of measure 25/Pack
Delivery by Wed, May 21
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Over 30
Price is $12.19
Unit of measure 50/Pack
Delivery by Wed, May 21
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Over 30
Price is $14.99
Unit of measure 100/Pack
Delivery by Wed, May 21
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Over 30
Price is $7.79
Unit of measure 25/Pack
Delivery by Wed, May 21
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Over 30
Price is $22.59
Unit of measure 50/Pack
Delivery by Wed, May 21
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Over 30
Price is $15.99
Unit of measure 50/Pack
Delivery by Wed, May 21
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Over 30
Price is $13.19
Unit of measure 50/Pack
Delivery by Wed, May 21
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Over 30
Price is $13.95
Unit of measure 50/Pack
Delivery by Wed, May 21
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