Top 10 Envelopes 9×12 Gummed – Clasp Mailing Envelopes

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1. Quality Park

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

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Quality Park #ad - Reusable clasp: designed for repeated use, 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.

Brown kraft stock designed to give contents extra protection during mailing, storage and handling. 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, office, interoffice or mailing. Packed in 100 count: so many uses means supply is depleted quickly! Conveniently packed in 100 count to reduce frequency of purchasing.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height3.75 Inches
Length14 Inches
Weight4 Pounds
Width9.1 Inches
Part NumberQUA37890
Model37890

2. Quality Park

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Storing or Mailing Documents, Great for Filing, Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps, 28 lb Brown Kraft, 250 per Box 37590

#ad
Quality Park #ad - Brown kraft stock designed to give contents extra protection during mailing, storage and handling. 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.

Great for home, office, interoffice or mailing. Reusable clasp: designed for repeated use, school, double prong metal clasp is durable and eyelets are reinforced. Packed in 250 count: so many uses means supply is depleted quickly! Conveniently packed in 250 count to reduce frequency of purchasing.

Brown kraft 28 lb stock: perfect for everyday home and business use, Quality Park's clasp envelopes are constructed from heavyweight 28 lb. 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.
BrandQuality Park #ad
Manufacturer0 #ad
Height9.75 Inches
Length14.31 Inches
Weight0.06 Pounds
Width9.06 Inches
Part Number37590
Model37590

3. Amazon Basics

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

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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. Double-prong metal clasp closure and reinforced eyelet keep documents securely contained. 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

4. EnDoc

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

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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.

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, pamphlet, Coupon, Convenient Stuffing for Legal Letter, Magazine & Other Common Mailers. 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

5. Quality Park

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28lb, Kraft, 250/Box QUA41465, Heavyweight/Gummed, Quality Park 41465 Quality Park Catalog Envelopes, 9x12

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Quality Park #ad - Sturdy quality park envelopes are manufactured from 28 lb. Quality park 9 x 12 catalog mailing envelopes are ideal for large or heavy inserts; made of thick kraft paper with strong center seams; 250 per box.

So versatile and popular, you’ll need a steady supply; stock up now on your favorite business envelopes for the home office, work or homeschool. Roomy mailers are an economical envelope for manuscripts, brochures, booklets, homeschool projects, sales literature or photos that must mail flat. A wide, heavily gummed envelope flap provides a secure, permanent seal for bulky inserts; center seam construction withstands weight and wear & tear. Kraft paper; ideal for privacy and durability; a no clasp envelope is also easier to mail.
BrandQuality Park #ad
Manufacturer0 #ad
Height9.4 Inches
Length12.4 Inches
Weight0.06 Pounds
Width7.6 Inches
Part NumberQUA41465
ModelQUA41465

6. Mead

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

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Mead #ad - Extra heavy-duty opaque 32 lb. 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. 9 x 12 inches; 100 envelopes per box.
BrandMead #ad
ManufacturerMead #ad
Height14.88 Inches
Length3.75 Inches
Width9.25 Inches
Part NumberCO790m
ModelCO790m

7. Quality Park

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Gummed, 250 per Box, 9 x 12, Quality Park Catalog Envelopes, Executive Gray, 41487

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Quality Park #ad - Features: 250 executive Gray, 9 x12 Catalog Envelopes. Multi-puropse: these 9 x 12 envelopes are perfect for storing and mailing sheets of papers, letters, documents, catalogs, photo's and other home and business mailings. Durable: made from 28 lb. Gummed: fully gummed flaps provide a secure seal to keep contents secured. Stock. Great value: conveniently packed in 250 count to reduce the frequency of repurchasing.
BrandQuality Park #ad
Manufacturer0 #ad
Height9.3 Inches
Length7.3 Inches
Weight9.7 Pounds
Width12.3 Inches
Part Number41487
Model41487

8. Quality Park

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

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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. Heavy duty: extra durable, 32 lb. Designed for repeated use: Double prong metal clasp is durable and eyelets are reinforced. 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
ModelQUA37790

9. Quality Park

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100 per Box QUA43568, 28 lb Kraft Paper, Quality Park 9 x 12 Postage Saving ClearClasp Envelopes, with Reusable Redi-Tac Closure & Gummed Flap

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Quality Park #ad - Heavyweight 28 lb kraft paper manila envelopes are opaque to protect private contents; strong enough for bulk mailing or organizing the office.

Reseal your clearclasp envelope with Redi-Tac seal as many times as needed for circulating interoffice mail; just press and go. A great value; large envelopes are an economical way to send manuscripts, certificates or other documents you’d rather mail flat. These 9x12 envelopes with a self seal redi-tac clasp eliminate USPS charges for metal parts; reusable & thrifty; made of 28 lb kraft paper; 100/box. A deeply gummed yellow 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 Inches
Length12.2 Inches
Weight4 Pounds
Width9.75 Inches
Part NumberQUA43568
ModelQUA43568

10. EnDoc

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Brown Kraft Catalog Envelopes Gummed Seal Closure – 28lb Heavyweight Paper 9.5x12.5 inch Envelopes for Home, Office, Legal or School., Business, EnDoc 9 1/2 x 12 1/2 Clasp Envelopes, 100 Pack

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EnDoc #ad - Safe for storage – ideal 9 1/2 x 12 1/2 size is perfect for both mailing & Storing Important Paperwork, Stamps, Craft Projects, Dies & more; Buy in Bulk & Save Big. 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!.

Catalog orientation – classic open end style enables fast, Convenient Stuffing for Letter, Pamphlet, legal Document, Coupon & Other Common Mailers. Heavyweight envelope set – box of 100 single envelopes accommodates Variety of Small & Large Documents for Home, Business, Office, Legal & More. Double seal design – provides dependable security for work & Personal Mailing; Features Reusable Dual Prong Clasps & Gummed Seals w/ Tough Adhesive Glue.
BrandEnDoc #ad
ManufacturerEnDoc #ad
Part NumberEn125
ModelEn125