Top 10 Clasp Envelopes 9 x 12 100 – Clasp Mailing Envelopes

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1. Mead

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

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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. Extra heavy-duty opaque 32 lb. Brown kraft material provides privacy of contents. 9 x 12 inches; 100 envelopes per box.
BrandMead #ad
ManufacturerMead #ad
Height14.88 Inches
Length3.75 Inches
Width9.25 Inches
Part NumberCO790m
ModelCO790m

2. Quality Park

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

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Quality Park #ad - Great for home, school, office, interoffice or mailing. 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.

Reusable clasp: designed for repeated use, 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. 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.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height3.75 Inches
Length14 Inches
Weight4 Pounds
Width9.1 Inches
Part NumberQUA37890
Model37890

3. Amazon Basics

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

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Amazon Basics #ad - Made with thick 28-pound kraft paper for reliable strength and protection. Clasp envelope 100-pack for filing, storing, or mailing documents. Moisture-activated gummed surface on flap creates a permanent seal. 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. Quality Park

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

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Quality Park #ad - Brown kraft 28 lb stock: perfect for everyday home and business use, Quality Park's clasp envelopes are constructed from heavyweight 28 lb. 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.

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. Brown kraft stock designed to give contents extra protection during mailing, storage and handling.
BrandQuality Park #ad
Manufacturer0 #ad
Height9.75 Inches
Length14.31 Inches
Weight0.06 Pounds
Width9.06 Inches
Part Number37590
Model37590

5. EnDoc

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

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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, 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!.

Double seal design – provides dependable security for work & Personal Mailing; Features Reusable Dual Prong Clasps & Gummed Seals w/ Tough Adhesive Glue. 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, Office, Business, Legal & More.
BrandEnDoc #ad
ManufacturerEnDoc #ad
Part NumberEn125
ModelEn125

6. Amazon Basics

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

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Amazon Basics #ad - 100-pack of 9 x 12 inch catalog envelopes. Ideal for mailing catalogs, booklets, brochures, and multi-page documents. Durable 28-pound brown kraft material provides privacy and strength. Easy-to-seal peel and Seal closure—no moisture needed. Measures 9 by 12 inches each.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Part NumberAMZP13
ModelAMZP13

7. Amazon Basics

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

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Amazon Basics #ad - Ideal for mailing catalogs, booklets, brochures, and multi-page documents. Easy-to-seal peel and Seal closure—no moisture needed. Durable 28-pound white woven paper for quality and strength. Measures 9 by 12 inches each. 100-pack of no. 10-1/2 catalog envelopes.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Part NumberAMZP15
ModelAMZP15

8. Quality Park

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

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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.

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. Reseal your clearclasp envelope with Redi-Tac seal as many times as needed for circulating interoffice mail; just press and go. 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

9. Quality Park

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

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Quality Park #ad - Brown kraft stock gives contents extra protection during mailing, storage and handling. 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. 100 per box: always have a good supply on hand with this 100 count box. Heavy duty: extra durable, 32 lb. Designed for repeated use: Double prong metal clasp is durable and eyelets are reinforced.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height4 Inches
Length14.9 Inches
Weight0.06 Pounds
Width9.3 Inches
Part NumberQUA37790
ModelQUA37790

10. Quality Park

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28 lb Kraft Paper, 100 per Box QUA37855, Clasp and Gummed Closures for Storing or Mailing, Quality Park 6 x 9 Clasp Envelopes

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Quality Park #ad - Reusable envelops. Our yellow envelopes have durable 2 prong metal clasps and reinforced eyelets to let you access your files as needed; open, close, repeat. Small envelopes keep documents neat; fold in half instead of bulky double folds in a No.

10 envelope; ideal for 6 x 8 greeting cards or invites. Clasp envelope on paper stock features a gummed flap closure. A deeply gummed envelope flap is laid thick with moisture-activated adhesive; creates a firm seal you can trust in the mail. Heavily gummed flaps. Quality park 6x9 clasp envelopes are a staple of every office; a gummed flap and reusable clasp make them ideal for mailing and storage; 100 per box. Double prong metal clasps with reinforced eyelets. Heavyweight 28 lb kraft manila envelopes are opaque to protect private contents; strong enough for bulk mailing or organizing the office.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height3.9 Inches
Length11.4 Inches
Weight2.2 Pounds
Width6.3 Inches
Part NumberQUA37855
ModelQUA37855