Top 10 9 x 12 Manilla Envelopes Heavy Duty – Clasp Mailing Envelopes

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1. Quality Park


Storing or Mailing Documents, Great for Filing, 100 per Box QUA37890, 28 lb Brown Kraft, Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps

Quality Park #ad - Great for organizing and storing letters, documents, photos or records. Great for home, school, office, interoffice or mailing.

Reusable, double prong metal clasp is durable and designed for repeated use and eyelets are reinforced. Perfect for everyday home and business use, clasp envelopes are made from heavyweight 28 lb. In addition to the clasp closure, these envelopes have a moisture activated seal with deep gumming on the flap to create a permanent seal. Brown kraft stock to give contents extra protection during mailing, storage and handling. Conveniently packed in large count to reduce frequency of purchasing.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height3.75 Inches
Length14 Inches
Weight4 Pounds
Width9.1 Inches
Part NumberQUA37890

2. Mead


Clasp Closure, All-Purpose 24-lb Paper, 100/Pack CO790, 9" X 12", Brown Kraft Material, Mead Letter Size Mailing Envelopes

Mead #ad - 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. Brown kraft material provides privacy of contents. 9 x 12 inches; 100 envelopes per box. Extra heavy-duty opaque 32 lb.
BrandMead #ad
ManufacturerMead #ad
Height14.88 Inches
Length3.75 Inches
Width9.25 Inches
Part NumberCO790m

3. Quality Park


Quality Park 9" x 12" Clasp Envelopes, Gummed Flap, Brown Kraft, 100/Box QUA37790

Quality Park #ad - Permanent seal: in addition to the clasp closure, the deep gumming on the flap can create a permanent seal. Designed for repeated use: Double prong metal clasp is durable and eyelets are reinforced. Heavy duty: extra durable, 32 lb. 100 per box: always have a good supply on hand with this 100 count box. All-purpose: perfect size for mailing and storing a variety of documents, especially letter-sized documents when folding is undesirable. Brown kraft stock gives contents extra protection during mailing, storage and handling.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height4 Inches
Length14.9 Inches
Weight0.06 Pounds
Width9.3 Inches
Part NumberQUA37790

4. Mead


Clasp Closure, Mead Letter Size Mailing Envelopes, 9" X 12", Brown Kraft Material, All-Purpose 24-lb Paper, 20/Pack 76020

Mead #ad - 20 envelopes per box. Brown Kraft material. Made in United States. 9" x 12" size. 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

5. Emraw


Emraw Clasp Envelopes with Gummed Flaps Heavyweight Paper Brown Kraft Catalog Gummed Seal Envelopes for Home and Office Storing or Mailing Documents9 x 12 Pack of 8

Emraw #ad - These professional-looking Multipurpose Envelopes feature a dual-purpose seal that allows multiple users. Uses: perfect for everyday home and business use. Design: designed for repeated use, office, interoffice or mailing. Offers reliable security for Personal & Professional Mailing, school, double prong metal clasp is durable and eyelets are reinforced.

Great for home, sturdy metal dual prong clasps and gummed Seals with tough adhesive glue. Ideal for office, school and home use tax envelopes. The flaps close with full flap gum to endure humid climates to ensure the envelope stays sealed so your contents don't fall out. Extra strong, Tear & Puncture Resistance. Specification: in addition to the clasp closure, these 9 x 12 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! Quality: clasp envelopes are constructed from high-quality material.

Reusable envelopes serves a variety of Small & School. Classic open end style enables fast, coupon, business, magazine & Large Documents for Home, Office, Pamphlet, Convenient Stuffing for Legal Letter, Legal & Other Common Mailers. Brown kraft stock designed to give contents extra protection during mailing, Durable Standard Brown Kraft Envelopes Provide Confidential Protection & Exceptional Rip, storage, and handling.
BrandEmraw #ad
ManufacturerEmraw #ad
Part Number1305

6. Aimoh


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

Aimoh #ad - 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. 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.

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!28lb stock; manufactured from tough, the durable, woven paper extends the tampering resistance of this envelope, the brown kraft material will insure privacy of the envelopes contents, durable Construction like 28lb paper stock, standing up to normal postal wear and tear without damage, .

Durable multi-purpose; ideal for mailing catalogues, magazines, brochures and more, documents, direct mail, promotional material, Aimoh’s Catalog Envelopes can be easily hand addressed or customized with business information.
BrandAimoh #ad
ManufacturerAimoh #ad
Weight3.9 Pounds
Part NumberAE-912CGS

7. Mr. Pen


9x12, Brown Envelopes, Brown Kraft, Document Envelope, Letter Size Envelopes, Mr. Pen- Clasp Envelopes,18 Pack, Clasp Kraft Envelopes, Clasp and Gummed Closure Envelopes.

Mr. Pen #ad - Mr. Pen clasp envelopes are made from high-quality brown kraft paper that won’t easily rip or tear during transportation. Mr. Package includes 18 brown kraft envelopes with gummed seal and metal prong clasp. With a metal clasp and gummed seal on the envelope flap, your contents will stay secure whether you’re mailing them or keeping them safe in a file. Each kraft envelope measures 9 x 12 inches, perfect for mailing and storing Important paperwork. Pen clasp envelopes are fully compatible with most inkjet and laser printers for quick and easy addressing.
BrandMr. Pen #ad
ManufacturerMr. Pen #ad
Part NumberENV912

8. EnDoc


9x12 – Brown Kraft Catalog Envelopes with Clasp Closure & Gummed Seal – 28lb Heavyweight Paper Envelopes for Home, Office, Legal or School Pack- 9 x 12 Inch 15 Pack, Business, Clasp Envelopes

EnDoc #ad - 9x12 clasp envelope set – pack of 15 single reusable envelopes serves a Variety of Small & Large Documents for Home, Office, Business, Legal & School. Double seal design – offers reliable security for personal & Professional Mailing; Sturdy Metal Dual Prong Clasps & Gummed Seals w/ Tough Adhesive Glue.

Catalog orientation – classic open end style enables fast, convenient Stuffing for Legal Letter, Pamphlet, Coupon, Magazine & Other Common Mailers. Made in usa, heavy duty paper – extra strong, durable 28lb standard brown kraft envelopes proudly made right here in the united States Provides Confidential Protection & Exceptional Rip, Tear & Puncture Resistance - Thank you for supporting American manufacturing!. Safe for storage – ideal 9 by 12 size is perfect for both mailing & more; Buy in Bulk & Storing Important Paperwork, Stamps, Craft Projects, Dies & Save Big.
BrandEnDoc #ad
ManufacturerEnDoc #ad
Part Numberclasp15

9. Columbian Envelopes


9x12 Inches, 100 count CO671, Brown, Columbian Catalog Kraft Envelopes

Columbian Envelopes #ad - 9 x 12 inches. Ideal for mailing documents, promotional material, catalogs, direct mail, brochures and more. Open end closure. Heavy-duty 28lb opaque brown kraft material provides privacy of contents. A durable all-purpose mailing envelope. Moisture activated gummed seal. 100 envelopes.
BrandColumbian Envelopes #ad
ManufacturerMEAD WESTVACO #ad
Height9.75 Inches
Length12.69 Inches
Weight0.06 Pounds
Width2.75 Inches
Part NumberCOLO671
Warranty1 Year Limited Warranty. Warranty will replace defective product upto one year from purchase date.

10. Quality Park


Quality Park 10 x 13 Clasp Envelopes, Gummed, Moisture-Activated Adhesive for Permanent Secure Seal, Brown Kraft, 100/Box QUA37897, 28 lb Paper

Quality Park #ad - Quality park 10x13 clasp envelopes are a staple of every office; a gummed flap and reusable clasp make them ideal for mailing and storage; 100 per box.

Heavyweight 28 lb kraft paper envelopes are opaque to protect private contents; strong enough for bulk mailing or organizing the office. A great value; large envelopes are an economical way to send manuscripts, certificates or other documents you’d rather mail flat. Our yellow envelopes have durable 2 prong metal clasps and reinforced eyelets to let you access your files as needed; open, close, repeat. A deeply gummed envelope flap is laid thick with moisture-activated adhesive; creates a firm seal you can trust in the mail.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height3.9 Inches
Length15.1 Inches
Weight0.06 Pounds
Width10.3 Inches
Part NumberQUA37897