Top 9 Large Envelopes 9 x 12 with Clasp – Clasp Mailing Envelopes

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1. Mead

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

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Mead #ad - Brown kraft material provides privacy of contents. 9 x 12 inches; 100 envelopes per box. 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
ModelCO790m

2. Amazon Basics

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

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Amazon Basics #ad - Clasp envelope 100-pack for filing, storing, or mailing documents. Double-prong metal clasp closure and reinforced eyelet keep documents securely contained. Made with thick 28-pound kraft paper for reliable strength and protection. Moisture-activated gummed surface on flap creates a permanent seal. Measures 9 by 12 inches each; backed by an Amazon Basics 1-year limited warranty.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Height3.13 Inches
Length12 Inches
Weight1.76 Pounds
Width9 Inches
Part NumberAMZ37890
ModelAMZ37890

3. Quality Park

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

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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
Model37890

4. Mead

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

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Mead #ad - 9" x 12" size. 20 envelopes per box. Heavyweight envelopes feature a clasp closure, in an Office Pak for larger quantity. Made in United States. Brown Kraft material.
BrandMead #ad
ManufacturerACCO Brands #ad
Height14.45 Inches
Length0.88 Inches
Weight0.65 Pounds
Width9 Inches
Part Number76020
Model76020
Warrantykkk

5. Blue Summit Supplies

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100 9 X 12 Self Seal Security Catalog Envelopes, Designed for Secure Mailing, Securely Holds up to 60 Sheets of Paper with Strong Peel and Seal Flap 100 Envelopes

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Blue Summit Supplies #ad - Securely holds hefty files during transit due to it sturdy construction and thick 28 LB White Wove Paper. Just peel and seal to create a strong lasting seal: No need to worry about your contents failing out during transit even when shipping hefty shipments like 60 sheets of paper or magazines.

Great for storing receipts, magazines, monthly financials, tax returns, reports and more. Perfect size for standard 8. 5'' x 11'' letter paper, wide opening saves times when stuffing up to 60 sheets of letter paper securely. Allows for organized storage of personal and company documents due to its large size and Security Tint. Provides complete security: your documents are safe from others during transit. Safe for sensitive documents like tax, legal, and financial documents.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight3.97 Pounds
Part NumberBSS-92588-010

6. EnDoc

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

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EnDoc #ad - Double seal design – offers reliable security for personal & Professional Mailing; Sturdy Metal Dual Prong Clasps & Gummed Seals w/ Tough Adhesive Glue. 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!.

Catalog orientation – classic open end style enables fast, Convenient Stuffing for Legal Letter, Pamphlet, coupon, Magazine & Other Common Mailers. 9x12 clasp envelope set – pack of 15 single reusable envelopes serves a Variety of Small & Large Documents for Home, Office, Business, Legal & School. Safe for storage – ideal 9 by 12 size is perfect for both mailing & more; Buy in Bulk & Storing Important Paperwork, Craft Projects, Stamps, Dies & Save Big.
BrandEnDoc #ad
ManufacturerEnDoc #ad
Part Numberclasp15
Modelclasp15

7. Quality Park

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Brown, Quality Park Clasp Envelopes, 9" x 12", Box of 250

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Quality Park #ad - Made of durable kraft paper for longevity. Opaque color prevents viewing of contents. They are great for most filing, storage and mailing tasks. Reinforced metal clasps and deep gumming on the flaps provide a secure seal. These heavy-duty envelopes feature reinforced clasps and a deep gumming on the flaps for a strong, dependable seal.
BrandQuality Park #ad
Manufacturer0 #ad
Height9.75 Inches
Length14.31 Inches
Weight0.06 Pounds
Width9.06 Inches
Part Number37590
Model37590

8. Quality Park

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9" x 12", Box of 100, Quality Park Gray Clasp Envelopes, Gray

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Quality Park #ad - In addition to the clasp closure, these Quality Park envelopes have a moisture activated seal with deep gumming on the flap to create a permanent seal. Whatever your home or office needs are, Quality Park's heavy-duty double prong clasp and reinforced eyelets are durable for repeated use.

Double prong metal clasp is durable and eyelets are reinforced. 9 x 12 is the perfect size for mailing and storing standard 8-1/2 x 11 documents flat when folding is undesirable. Great for home, office, school, interoffice or mailing. Reusable clasp envelopes are designed for repeated use. Gray stock for extra protection in storage and handling. Manufactured from heavyweight 28 lb. 9 x 12 heavyweight 28 lb. Gray clasp envelopes, clasp envelopes can make staying organized easier! Great for projects, filing and mailing, Excellent Solution for Accessible Storage or Filing.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height4 Inches
Length14.9 Inches
Weight4.16 Pounds
Width9.3 Inches
Part Number38590
Model38590

9. Quality Park

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

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Quality Park #ad - Permanent seal: in addition to the clasp closure, the deep gumming on the flap can create a permanent seal. All-purpose: perfect size for mailing and storing a variety of documents, especially letter-sized documents when folding is undesirable. Designed for repeated use: Double prong metal clasp is durable and eyelets are reinforced. Brown kraft stock gives contents extra protection during mailing, storage and handling. Heavy duty: extra durable, 32 lb. 100 per box: always have a good supply on hand with this 100 count box.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height4 Inches
Length14.9 Inches
Weight0.06 Pounds
Width9.3 Inches
Part NumberQUA37790
ModelQUA37790