Top 9 Interoffice Envelopes 9 x 12 – Clasp Mailing Envelopes

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1. Quality Park


Clasp, #90-9" Width x 12" Length, Quality Park Gummed Kraft Clasp Envelopes, Gummed, Kraft, 28 lb, 100 / Box, Kraft

Quality Park #ad - Envelopes are made of sturdy, 28 lb Kraft Stock. Rugged envelopes feature a reinforced clasp design plus deep gumming on flaps for a secure seal.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height3.75 Inches
Length14 Inches
Weight4 Pounds
Width9.1 Inches
Part NumberQUA37890

2. Quality Park


1-Sided Narrow Rule, Brown, 9" x 12", Box of 100, Quality Park Interdepartment String & Button Closure Envelopes

Quality Park #ad - Ideal for efficient correspondence between departments. Envelope is made with a material that inhibits the growth of mold and mildew to protect the product. Ruled on one side for 31 entries.
BrandQuality Park #ad
Manufacturer0 #ad
Height9.9 Inches
Length14.8 Inches
Weight4 Pounds
Width6 Inches
Part NumberQUA63462

3. Mead


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

Mead #ad - 20 envelopes per box. Made in United States. Brown Kraft material. 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

4. Amazon Basics


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

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

5. Aimoh


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

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, super secure seal across each envelope's width that won't easily open or tear, ideal for mailing thicker catalogues, 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! Durable multi-purpose; ideal for mailing catalogues, promotional material, brochures and more, documents, direct mail, magazines, Aimoh’s Catalog Envelopes can be easily hand addressed or customized with business information.99x12 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, woven paper extends the tampering resistance of this envelope, the durable, standing up to normal postal wear and tear without damage, .
BrandAimoh #ad
ManufacturerAimoh #ad
Weight3.9 Pounds
Part Number38300

6. Advantage Online Products, LLC


10 Pack Inter Office Inter-Departmental Envelopes with Free Custom AdvantageOP Black & Chrome Retractable Pen, Black Ink 10 x 13

Advantage Online Products, LLC #ad - Standard, deliver to, department, 2-sided style with 5 columns. Date, sent By and Department. Sturdy, 28 lb. Ruled format for interdepartmental routing; holes allow visual acknowledgment of contents. Recycled brown Kraft with string-and-button closure. Quality park standard inter department envelopes recycled interoffice - 10" Width x 13" Length - 28 lb - String/Button - Kraft - 10 / Pk - Brown Kraft.
BrandAdvantage Online Products, LLC #ad
ManufacturerQuality Park #ad
Height0.02 Inches
Length13 Inches
Width10 Inches
Part NumberIDE

7. Quality Park


10 x 13, 63663, Quality Park Inter-Department Envelopes, White, String-and-Button, 100 per Box

Quality Park #ad - 52 entries: printed on both sides with space for 52 entries. String-and-button: Convenient when reusing the envelope, easy to open and close repeatedly. Security tinted: have ease of mind that your contents are secure with the security tinting. Features: 100 white, 10 x 13, inter-department envelopes. Anti-microbial: treated with an antimicrobial agent to guard against the growth of bacteria, mildew, mold, fungus, and odors.
BrandQuality Park #ad
Manufacturer0 #ad
Height10 inches
Length15.63 inches
Weight4.4 pounds
Width5.75 inches
Part NumberQUA63663



12 x 16 Inches, Printed Both Sides, 71 Entries, Quality String-Tie Jumbo Size Inter-Department Envelopes, 10 per Pack

MAXVITAVELA #ad - Ideal for protecting and transporting blueprints, maps, artwork, proofs, architectural drawings and other large material that should be stored flat. Extra large 12x16 inter-departmental envelopes - Printed Both Sides - Space for up to 71 entries - Re-usable. Envelopes featuring string-tie and button closure. 10 envelopes per Pack. Flaps are ungummed for repeated use. Heavyweight 28-lb Paper Stock. 3 boxes across style - each box is printed with NAME and DEPARTMENT.
ManufacturerXertas #ad
Height0.5 Inches
Length17 Inches
Weight0.65 Pounds
Width12.1 Inches
Part NumberXertas-2828

9. School Smart


28 lb, Pack of 100, School Smart 085057 Interoffice Envelopes, Kraft Brown, 10 x 13 Inches

School Smart #ad - Durable craft envelopes with simple tie closure keep documents secure. Package weight: 2. 318 kilograms. Country of Origin : United States. Package dimensions: 41. 656 h x 16. 002 l x 28. 448 w centimetres.
BrandSchool Smart #ad
Part Number85057