Top 10 Manila Envelopes Letter Size – Clasp Mailing Envelopes

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1. Quality Park


Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps, Storing or Mailing Documents, 100 per Box 37890, Great for Filing, 28 lb Brown Kraft

Quality Park #ad - Brown kraft stock designed to give contents extra protection during mailing, storage and handling. Packed in 100 count: so many uses means supply is depleted quickly! Conveniently packed in 100 count to reduce frequency of purchasing.

Gummed flap: in addition to the clasp closure, these quality park envelopes have a moisture activated secure seal with deep Gumming on the flap to create a permanent seal. The flaps close with full flap gum to endure humid climates to ensure the envelope stays sealed so your contents don't fall out! 9 x 12 size: perfect size for mailing and storing 8-1/2 x 11 sized documents flat when folding is undesirable.

Great for home, interoffice or mailing. Reusable clasp: designed for repeated use, office, school, double prong metal clasp is durable and eyelets are reinforced . Brown kraft 28 lb stock: perfect for everyday home and business use, Quality Park's clasp envelopes are constructed from heavyweight 28 lb.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height3.75 Inches
Length14 Inches
Weight4 Pounds
Width9.1 Inches
Part NumberQUA37890

2. Mead


Office Pak, 9" x 12", Mead Clasp Envelopes, 20 per Box 76020, Brown Kraft

Mead #ad - 9" x 12" size. 20 envelopes per box. Brown Kraft material. Made in United States. Heavyweight envelopes feature a clasp closure, in an Office Pak for larger quantity.
BrandMead #ad
ManufacturerACCO Brands #ad
Height14.45 Inches
Length0.88 Inches
Weight0.65 Pounds
Width9 Inches
Part Number76020

3. JAM Paper


Brown Kraft Manila, 4 1/2 x 10 3/8, 50/Pack, JAM PAPER #11 Recycled Envelopes

JAM Paper #ad - Envelope features: Straight flap gum closure, high quality Smooth paper finish. These envelopes are perfect to use for sending invitations, gifts for birthdays, graduations, RSVP's, thank you cards, greeting cards, holidays and more. Quantity: 50 envelopes per pack. Size: #11 4. 5 x 1038 inches. Color: brown Kraft Envelopes.
BrandJAM Paper #ad
ManufacturerJAM Paper & Envelope #ad
Height10.4 Inches
Length4.5 Inches
Width0.1 Inches
Part NumberFBA_1633180i

4. Amazon Basics


Amazon Basics Catalog Mailing Envelopes, Brown Kraft, 9x12 Inch, 100-Pack, AMZP13, Peel & Seal

Amazon Basics #ad - Ideal for mailing catalogs, booklets, brochures, and multi-page documents. 100-pack of 9 x 12 inch catalog envelopes. Easy-to-seal peel & Seal closure—no moisture needed. Durable 28-pound brown kraft material provides privacy and strength. Measures 9 by 12 inches each.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Part NumberAMZP13

5. Aimoh


9x12 Inch 38300, 9 X 12 Self-Seal Brown Kraft Catalog Mailing Envelopes, 100 Count, 28lb

Aimoh #ad - Self adhesive seal; aimoh's 9 x 12 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, ideal for mailing thicker catalogues, super secure seal across each envelope's width that won't easily open or tear, brochures and magazines.

Durable multi-purpose; ideal for mailing catalogues, magazines, direct mail, promotional material, documents, brochures and more, Aimoh’s Catalog Envelopes can be easily hand addressed or customized with business information.9x12 self-seal kraft envelopes; ideal for everyday business use and professional mailings, each box of our premium 9x12 mailing envelopes with the peel and seal closure provide great value 100 envelope supply, for the best value on the market!9x12 kraft envelopes; aimoh’s catalog envelopes combine tough 28lb golden kraft paper stock, strong self-sealing SELF-SEAL Closure for the best catalog envelopes on the market, perfect for large documents and all business correspondence.

28lb stock; manufactured from tough, durable construction like 28lb paper stock, the brown kraft material will insure privacy of the envelopes contents, the durable, woven paper extends the tampering resistance of this envelope, standing up to normal postal wear and tear without damage, .
BrandAimoh #ad
ManufacturerAimoh #ad
Weight3.9 Pounds
Part Number38300

6. Amazon Basics


9x12 Inch, Peel & Seal, White, 100-Pack, Amazon Basics Catalog Mailing Envelopes

Amazon Basics #ad - Durable 28-pound white woven paper for quality and strength. 100-pack of #10-1/2 catalog envelopes. Easy-to-seal peel & Seal closure—no moisture needed. Ideal for mailing catalogs, booklets, brochures, and multi-page documents. Measures 9 by 12 inches each.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Part NumberAMZP15

7. Amazon Basics


Gummed, Amazon Basics 9 x 12-Inch Clasp Kraft Envelopes, 100-Pack

Amazon Basics #ad - Clasp envelope 100-pack for filing, storing, or mailing documents. Moisture-activated gummed surface on flap creates a permanent seal. Made with thick 28-pound kraft paper for reliable strength and protection. Measures 9 by 12 inches each; backed by an Amazon Basics 1-year limited warranty. Double-prong metal clasp closure and reinforced eyelet keep documents securely contained.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Height3.13 Inches
Length12 Inches
Weight1.76 Pounds
Width9 Inches
Part NumberAMZ37890

8. Mead


100/Box CO790, Mead Envelopes, Brown Kraft, Clasp, 9" x 12"

Mead #ad - 9 x 12 inches; 100 envelopes per box. Brown kraft material provides privacy of contents. Durable multi-purpose envelope; dual purpose seal allows for multiple uses; use the moisture activated gummed seal for mailing or the strong metal clasp for repeated use and storage purposes. Extra heavy-duty opaque 32 lb.
BrandMead #ad
ManufacturerMead #ad
Height14.88 Inches
Length3.75 Inches
Width9.25 Inches
Part NumberCO790m

9. EnDoc


With Clasp Closure & Gummed Seal – 28lb Heavyweight Paper Envelopes for Home, Business, Legal or School., Office, Clasp Envelopes – 10x13 Inch Brown Kraft Catalog Envelopes, 30 Pack

EnDoc #ad - Safe for storage – ideal 10 x 13 size is perfect for both mailing & more; Buy in Bulk & Storing Important Paperwork, Stamps, Craft Projects, Dies & Save Big. Catalog orientation – classic open-end style enables fast, Convenient Stuffing for Legal Letter, Pamphlet, coupon, Magazine & Other Common Mailers.

Made in usa, durable 28lb standard brown kraft envelopes proudly made right here in the United States Provides Confidential Protection & Exceptional Rip, heavy duty paper – extra strong, Tear & Puncture Resistance - Thank you for supporting American manufacturing!. Heavy duty envelopes 10x13 these professional-looking Multipurpose Envelopes feature a dual-purpose seal that allows multiple uses. Double seal design – offers reliable security for personal & Professional Mailing; Sturdy Metal Dual Prong Clasps & Gummed Seals w/ Tough Adhesive Glue.
BrandEnDoc #ad
ManufacturerEnDoc #ad
Part NumberClasp Brown

10. Aimoh


Security Tinted, Ultra Strong Quick-Seal, 9 x 12 inch 38100, 100 9 x 12 SELF Seal Security White Catalog Envelopes, 28lb

Aimoh #ad - For 8. 5x11 documents; large 9x12 size and strong quick-seal closure security tinted envelopes, perfect for photos, catalogs, thicker, larger documents and other business mailings.100 9 x 12 catalog envelopes in every pack for a long lasting supply, easy bulk mailing and everyday business correspondence! White 28lb stock; perfect for everyday business use, super secure seal across each envelope's width that won't easily open or tear and use high quality, aimoh’s 9x12 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, white 28lb stock for a professional finish.

Security tint pattern; ideal for secure business mailing and sensitive correspondence, each 9x12 envelope contains a super secure, security tint pattern to protect contents, information and data when mailing.9

9x12 catalog envelopes; aimoh’s white 9x12 security envelopes combine a professional security tint pattern, large size for business documents and premium quality for the best 9x12 envelopes on the market.
BrandAimoh #ad
ManufacturerAimoh #ad
Height2.5 Inches
Length9 Inches
Weight4.06 Pounds
Width12 Inches
Part NumberFBA_38100