Top 5 Machine Insertable Envelopes – Booklet Mailing Envelopes

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1. Envelopes.com

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Machine Insertable, Envelope Size 5 1/4 x 7 1/4 White, Printable Envelopes for Invitations, 50 Pack, LUXPaper A7 Invitation Envelopes for 5 x 7 Cards in 24lb. White

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Envelopes.com #ad - Made from 24 lb. Printable & customizable: if you want to customize or label your envelopes with zero hassle, you’re in luck! These envelopes are printer-friendly, so you can use your home laser or inkjet printer to address them. These square flap envelopes are also perfect for direct mail, and 5” x 7” photos so you can depend on them for all your special mailing needs.

If white isn’t the color you’re looking for, we’re happy to offer these envelopes in many color options. Perfect for all occasions: if you’re looking for an envelope for baby shower invitations, thank-you cards, holiday cards, letters, pregnancy announcements, wedding invitations, RSVPs, postcards, and more, our A7 LUX Paper envelope is an excellent option. Plus, the glue doesn’t taste horrible! you can even use a moistener to avoid licking the glue — it’s a huge time-saver! Simply moisten the strip of glue, and seal.

White, or invitations. Made from LUX 24lb. Durable & reliable: these envelopes make excellent invitation holders and are 5 1/4" 7 1/4" 133. 35mm x 184. 15mm, these envelopes are thick and durable, machine insertable paper stock with a side seam construction, making it perfect for things like photos, mailings, personal mail, letters, large enough to comfortably fit 5” x 7” paper items. Text weight / 32 lb.
BrandEnvelopes.com #ad
ManufacturerEnvelopes.com #ad
Part Number51867-MI-50

2. Envelopes.com

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LUXPaper #10 Square Flap Envelopes in 24 lb. White, 250 Pack, Printable Business Envelopes for Corporate Letters and Legal Documents, Envelope Size 4 1/8 x 9 1/2 White, Machine Insertable

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Envelopes.com #ad - No matter what you decide to use these envelopes for, these envelopes are thick and durable, mailings, whatever is inside is sure to arrive in perfect condition. To seal, and you’ll have the perfect seal. Moistenable glue seal: these letter envelopes are designed with a traditional moistenable adhesive sealing method, apply pressure, use the moistening method of your choice.

Made from 24 lb. Text weight paper stock, we offer these envelopes in many other color options that are sure to match your style. In addition to being perfect for all professional documents and correspondence, checks, these square flap envelopes also work well for personal letters. It couldn't be easier! Classic color: if you want a high-quality envelope, these envelopes are thicker and more durable than printer paper and will protect whatever is inside. If this shade of white isn’t right for you, this is the item for you. Durable & reliable: made from heavyweight lux paper stock with a side seam construction, making it perfect for things like letters, personal mail, or invitations.

Simply moisten the strip of adhesive, making them an excellent option for quick and easy projects. Printable & customizable: if you want to customize or label your colored envelopes, you’re in luck! These envelopes are printable on off-set printing presses, and even some home printers so you can have your company logo and branding printed on them directly. For business and professional use: if you’re looking for multipurpose envelopes that are great for sending corporate letters, and more, business applications, financial documents, our #10 LUX Paper envelopes are an excellent option.
BrandEnvelopes.com #ad
ManufacturerEnvelopes.com #ad
Part Number26611-MI-250

3. LINTON MAILING SUPPLIES

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4-1/8" x 9-1/2", No. 10 Neopost Machine Insertable C Window Envelopes, White Sulphite 24-lb Vellum Finish SFI Certified, Box of 500 Envelopes

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LINTON MAILING SUPPLIES #ad - No. 4-1/8" x 9-1/2", white sulphite 24-lb vellum finish; window c: 1-1/8" x 4-1/2", 7/8" Left, 1/2" Bottom. Designed and tested For Running on Neopost Inserting Equipment. Quality mailing Products from Linton Mailing Supplies. 10 neopost machine Insertable C Window Envelopes. Diagonal seams, boxed with Flaps Down, remoistening seal SFI Certified, 500 Envelopes.
BrandLINTON MAILING SUPPLIES #ad
ManufacturerWestern States Envelope & Label #ad
Part NumberWST-3110

4. The Envelope Supplies Shop

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Rounded Flap Box of 500, 24# Bright White 96% Bright, #A-10 Machine Insertable Announcement Envelopes, 6" x 9-1/2"

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The Envelope Supplies Shop #ad - Bright white Sulphite SFI Certified. Vellum Imaging Finish. 96% brightness. Acid Free. Two side Seams Under.
BrandThe Envelope Supplies Shop #ad
ManufacturerWestern States #ad
Height6 Inches
Length12 Inches
Weight14 Pounds
Width10 Inches
Part Number7096

5. The Envelope Supplies Shop

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Rounded Flap Box of 500, #A-8 Machine Insertable Announcement Envelopes, 5-1/2" x 8-1/8" 24# Bright White 96% Bright

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The Envelope Supplies Shop #ad - 96% brightness. Vellum Imaging Finish. Acid Free. Two side Seams Under. Bright white Sulphite SFI Certified.
BrandThe Envelope Supplies Shop #ad
ManufacturerWestern States #ad
Height6 Inches
Length12 Inches
Weight9.5 Pounds
Width10 Inches
Part Number7095