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Window Envelopes

Your invoice, payment, payroll and announcement documents demand the crisp, professional look that window envelopes provide. Staples features a complete line of single- and double-window versions with security tints for secure mailing.

Staples carries various sizes including the popular #10 size — ideal for folded 8-1/2" x 11" letterhead. Choose from an assortment of window envelope features including gummed and self-sealing closures and plain and security tints. Popular brands include Quality Park, Ampad, Tyvek, and Staples.

Less about Window Envelopes

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#10 (4-1/8" x 9-1/2")QuickStrip square flap closure is quick and easy to use - simply remove strip and press to closeHigh-quality clear window for mailing addresses500/BoxLeft Window#10 (4-1/8" x 9-1/2")QuickStrip square flap closure is quick and easy to use - simply remove strip and press to closeHigh-quality clear window for mailing addressesStaples® #10, Left Window QuickStrip™ Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0067518_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198468_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0198468_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198468/Staples-10-Left-Window-QuickStrip-Envelopes-500-Box/product_381936Staples® #10, Left Window QuickStrip™ Envelopes, 500/Box4.017 #10 (4-1/8" x 9-1/2")Self-Sealing closure with square flapSecurity tinted for privacy and confidentiality500/BoxLeft Window#10 (4-1/8" x 9-1/2")Self-Sealing closure with square flapSecurity tinted for privacy and confidentialityStaples® #10, Left Window Self-Sealing Security-Tint Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0287585_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198475_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0198475_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198475/Staples-10-Left-Window-Self-Sealing-Security-Tint-Envelopes-500-Box/product_511290Staples® #10, Left Window Self-Sealing Security-Tint Envelopes, 500/Box4.031 #10 (4-1/8" x 9-1/2")Gummed closure with commercial flapContains 30% post-consumer paper500/BoxGummed#10 (4-1/8" x 9-1/2")Gummed closure with commercial flapContains 30% post-consumer paperStaples® #10, Left Window Recycled Envelopes, Gummed Closure, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0023072_sc7?$thb$http://www.staples.com/sbd/img/res/ic/ic016-recycle_2.gifhttp://s7d5.scene7.com/is/image/Staples/s0198472_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0198472_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198472/Staples-10-Left-Window-Recycled-Envelopes-Gummed-Closure-500-Box/product_381937Staples® #10, Left Window Recycled Envelopes, Gummed Closure, 500/Box4.03 #10 (4-1/8" x 9-1/2")Gummed closure with commercial flapSecurity tinted for privacy and confidentiality500/BoxLeft Window#10 (4-1/8" x 9-1/2")Gummed closure with commercial flapSecurity tinted for privacy and confidentialityQuality Park® #10, Left Window Security-Tint Gummed Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0440351_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198475_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0198475_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198475/Quality-Park-10-Left-Window-Security-Tint-Gummed-Envelopes-500-Box/product_660932Quality Park® #10, Left Window Security-Tint Gummed Envelopes, 500/Box0.00 #10 (4-1/8" x 9-1/2")Gummed closure with commercial flapLeft window position fits standard formats500/Box#10#10 (4-1/8" x 9-1/2")Gummed closure with commercial flapLeft window position fits standard formatsStaples® #10 Left Window Gummed Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0068593_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198466_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0198466_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198466/Staples-10-Left-Window-Gummed-Envelopes-500-Box/product_121632Staples® #10 Left Window Gummed Envelopes, 500/Box4.0137 #9 standard invoice (3-7/8" x 8-7/8")Gummed closure with commercial flapLeft window position fits standard formats500/Box#9#9 standard invoice (3-7/8" x 8-7/8")Gummed closure with commercial flapLeft window position fits standard formatsStaples® #9, Left Window Gummed Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0022052_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198468_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0198468_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198468/Staples-9-Left-Window-Gummed-Envelopes-500-Box/product_351470Staples® #9, Left Window Gummed Envelopes, 500/Box3.08 Available in a variety of sizesGummed closure with commercial flapLeft window position fits standard formatsSelect an ItemAvailable in a variety of sizesGummed closure with commercial flapLeft window position fits standard formatsStaples® Left Window Gummed Envelopeshttp://s7d5.scene7.com/is/image/Staples/s0067482_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198479_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0198479_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198479/Staples-Left-Window-Gummed-Envelopes/product_SS121632Staples® Left Window Gummed Envelopes4.0137 #10 (4-1/8" x 9-1/2")Gummed closure with commercial flapSecurity tint for privacy and confidentiality500/BoxRight Window, Gummed#10 (4-1/8" x 9-1/2")Gummed closure with commercial flapSecurity tint for privacy and confidentialityStaples® #10, Right Window Security-Tint Gummed Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0070016_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0070016_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0199840_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0070016http://s7d5.scene7.com/is/image/Staples/s0198476_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0198476_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198476/Staples-10-Right-Window-Security-Tint-Gummed-Envelopes-500-Box/product_572043Staples® #10, Right Window Security-Tint Gummed Envelopes, 500/Box3.517 #10 (4-1/8" x 9-1/2")Gummed closure with commercial flapSecurity tint keeps sensitive information confidential500/Box#10#10 (4-1/8" x 9-1/2")Gummed closure with commercial flapSecurity tint keeps sensitive information confidentialStaples® #10, Left Window Security-Tint Gummed Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0067482_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198479_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0198479_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198479/Staples-10-Left-Window-Security-Tint-Gummed-Envelopes-500-Box/product_918161Staples® #10, Left Window Security-Tint Gummed Envelopes, 500/Box4.043 #8 5/8 check size (3-5/8" x 8-5/8")Gummed closure with commercial flapSecurity tint keeps sensitive information confidential500/Box#8#8 5/8 check size (3-5/8" x 8-5/8")Gummed closure with commercial flapSecurity tint keeps sensitive information confidentialStaples® #8- 5/8 Check Size Left Window Security-Tint Gummed Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0038359_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198480_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0198480_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198480/Staples-8-5-8-Check-Size-Left-Window-Security-Tint-Gummed-Envelopes/product_918179Staples® #8- 5/8 Check Size Left Window Security-Tint Gummed Envelopes, 500/Box3.09 Available in a variety of sizesGummed closure with commercial flapSecurity tint keeps sensitive information confidentialSelect an ItemAvailable in a variety of sizesGummed closure with commercial flapSecurity tint keeps sensitive information confidentialStaples® Left Window Security-Tint Gummed Envelopeshttp://s7d5.scene7.com/is/image/Staples/s0038359_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198480_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0198480_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198480/Staples-Left-Window-Security-Tint-Gummed-Envelopes/product_SS1006109Staples® Left Window Security-Tint Gummed Envelopes4.043 #8 5/8 check size (3-5/8" x 8-5/8")Redi-Seal™ closure with square flapSecurity tint keeps sensitive information confidential500/Box#8-5/8, Check Size#8 5/8 check size (3-5/8" x 8-5/8")Redi-Seal™ closure with square flapSecurity tint keeps sensitive information confidentialQuality Park™ #8 5/8 Check Size Double-Window Redi-Seal™ Security-Tint Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0069689_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0359445_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0359445_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0359445/Quality-Park-8-5-8-Check-Size-Double-Window-Redi-Seal-Security/product_565304Quality Park™ #8 5/8 Check Size Double-Window Redi-Seal™ Security-Tint Envelopes, 500/Box4.040 #9 standard invoice (3-7/8" x 8-7/8")Redi-Seal™ closure with square flapSecurity tint keeps sensitive information confidential500/Box#9, Standard Invoice Size#9 standard invoice (3-7/8" x 8-7/8")Redi-Seal™ closure with square flapSecurity tint keeps sensitive information confidentialQuality Park™ #9, Double-Window Standard Invoice Size Redi-Seal™ Security-Tint Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0069688_sc7?$thb$/Quality-Park-9-Double-Window-Standard-Invoice-Size-Redi-Seal-Security-Tint/product_565339Quality Park™ #9, Double-Window Standard Invoice Size Redi-Seal™ Security-Tint Envelopes, 500/Box4.044 #10 (4-1/8" x 9-1/2")Redi-Seal™ closure with square flapSecurity tint keeps sensitive information confidential500/Box#10 (4-1/8" x 9-1/2")Redi-Seal™ closure with square flapSecurity tint keeps sensitive information confidentialQuality Park™ #10, Double-Window Redi-Seal™ Security-Tint Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0393729_sc7?$thb$/Quality-Park-10-Double-Window-Redi-Seal-Security-Tint-Envelopes-500-Box/product_886849Quality Park™ #10, Double-Window Redi-Seal™ Security-Tint Envelopes, 500/Box5.01 Available in standard invoice or check sizeRedi-Seal™ closure with square flapSecurity tint keeps sensitive information confidentialSelect an ItemAvailable in standard invoice or check sizeRedi-Seal™ closure with square flapSecurity tint keeps sensitive information confidentialQuality Park™ Double-Window Redi-Seal™ Security-Tint Envelopeshttp://s7d5.scene7.com/is/image/Staples/s0069689_sc7?$thb$/Quality-Park-Double-Window-Redi-Seal-Security-Tint-Envelopes/product_SS1010860Quality Park™ Double-Window Redi-Seal™ Security-Tint Envelopes5.01 3-5/8" x 8-7/8"Gummed closure with square flapSecurity tinted for privacy and confidentiality1,000/Box1,000/Box3-5/8" x 8-7/8"Gummed closure with square flapSecurity tinted for privacy and confidentialityStaples® Laser Check Size Double-Window Security-Tint Gummed Envelopes, 1,000/Boxhttp://s7d5.scene7.com/is/image/Staples/s0067477_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0219189_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0219189_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0219189/Staples-Laser-Check-Size-Double-Window-Security-Tint-Gummed-Envelopes-1-000/product_381898Staples® Laser Check Size Double-Window Security-Tint Gummed Envelopes, 1,000/Box3.516 4-3/16" x 9"Gummed closure with square flapWindows are sized and positioned to show shipping and return addresses1,000/Box1,000/Box4-3/16" x 9"Gummed closure with square flapWindows are sized and positioned to show shipping and return addressesStaples® Double-Window Gummed Envelopes for Laser Forms, 1,000/Boxhttp://s7d5.scene7.com/is/image/Staples/s0068595_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198470_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0198470_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198470/Staples-Double-Window-Gummed-Envelopes-for-Laser-Forms-1-000-Box/product_381911Staples® Double-Window Gummed Envelopes for Laser Forms, 1,000/Box3.524 3-5/8" x 8-7/8"Gummed closure with square flapSecurity tinted for privacy and confidentiality500/Box500/Box3-5/8" x 8-7/8"Gummed closure with square flapSecurity tinted for privacy and confidentialityStaples® Laser Check Size Double-Window Security-Tint Gummed Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0067477_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0219189_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0219189_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0219189/Staples-Laser-Check-Size-Double-Window-Security-Tint-Gummed-Envelopes-500-Box/product_394062Staples® Laser Check Size Double-Window Security-Tint Gummed Envelopes, 500/Box4.026 4-3/16" x 9"Available in form or check sizeGummed closure with square flap500/Box500/Box4-3/16" x 9"Available in form or check sizeGummed closure with square flapStaples® Double-Window Gummed Envelopes for Laser Forms, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0068595_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198470_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0198470_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198470/Staples-Double-Window-Gummed-Envelopes-for-Laser-Forms-500-Box/product_473949Staples® Double-Window Gummed Envelopes for Laser Forms, 500/Box4.033 Available in form or check sizeGummed closure with square flapAccommodates forms produced by most software mail systemsSelect an ItemAvailable in form or check sizeGummed closure with square flapAccommodates forms produced by most software mail systemsStaples® Double Window Gummed Envelopeshttp://s7d5.scene7.com/is/image/Staples/s0068595_sc7?$thb$/Staples-Double-Window-Gummed-Envelopes/product_SS1033397Staples® Double Window Gummed Envelopes4.033 #9 standard invoice (3-7/8" x 8-7/8")Gummed closure with commercial flapSecurity tinted for privacy and confidentiality500/BoxStandard Invoice#9 standard invoice (3-7/8" x 8-7/8")Gummed closure with commercial flapSecurity tinted for privacy and confidentialityStaples® #9, Standard Invoice Double Window Security-Tint Gummed Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0067478_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198467_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0198467_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198467/Staples-9-Standard-Invoice-Double-Window-Security-Tint-Gummed-Envelopes-500-Box/product_266759Staples® #9, Standard Invoice Double Window Security-Tint Gummed Envelopes, 500/Box4.0174 #8 5/8 check size (3-5/8" x 8-5/8")Gummed closure with commercial flapSecurity tinted for privacy and confidentiality500/BoxCheck-Size#8 5/8 check size (3-5/8" x 8-5/8")Gummed closure with commercial flapSecurity tinted for privacy and confidentialityStaples® #8 5/8 Check-Size Double Window Security-Tint Gummed Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0067481_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0359445_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0359445_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0359445/Staples-8-5-8-Check-Size-Double-Window-Security-Tint-Gummed-Envelopes/product_438614Staples® #8 5/8 Check-Size Double Window Security-Tint Gummed Envelopes, 500/Box3.568 #10 Double-Window Envelope (4 1/8" x 9 1/2")Gummed closure with commercial flapSecurity tinted for privacy and confidentiality500/BoxDouble Window#10 Double-Window Envelope (4 1/8" x 9 1/2")Gummed closure with commercial flapSecurity tinted for privacy and confidentialityStaples® #10 Double Window Security-Tint Gummed Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0067478_sc7?$thb$/Staples-10-Double-Window-Security-Tint-Gummed-Envelopes-500-Box/product_892095Staples® #10 Double Window Security-Tint Gummed Envelopes, 500/Box1.53 Available in standard invoice or check sizeGummed closure with commercial flapSecurity tinted for privacy and confidentialitySelect an ItemAvailable in standard invoice or check sizeGummed closure with commercial flapSecurity tinted for privacy and confidentialityStaples® Double Window Security-Tint Gummed Envelopeshttp://s7d5.scene7.com/is/image/Staples/s0067478_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0023066_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0023066_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0023066/Staples-Double-Window-Security-Tint-Gummed-Envelopes/product_SS266759Staples® Double Window Security-Tint Gummed Envelopes4.0174 #10 (4-1/8" x 9-1/2")Gummed closure with commercial flapEmbossed verticle ridges for a distinctive look500/Box#10, Left Window, Embossed Executive, Gummed#10 (4-1/8" x 9-1/2")Gummed closure with commercial flapEmbossed verticle ridges for a distinctive lookQuality Park™ Park Ridge™ #10, Left Window Embossed Executive Gummed Envelopes, 500/Boxhttp://s7d5.scene7.com/is/image/Staples/s0003860_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0003860_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0341569_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0003860http://s7d5.scene7.com/is/image/Staples/s0198475_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0198475_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0198475/Quality-Park-Park-Ridge-10-Left-Window-Embossed-Executive-Gummed-Envelopes-500/product_445538Quality Park™ Park Ridge™ #10, Left Window Embossed Executive Gummed Envelopes, 500/Box0.00