Top 10 9×12 Clasp Envelopes – Clasp Mailing Envelopes

As an Amazon Associate I earn from qualifying purchases.

1. Quality Park

#ad

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

#ad
Quality Park #ad - 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.

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, school, double prong metal clasp is durable and eyelets are reinforced.

Great for home, office, interoffice or mailing. 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.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height3.75 Inches
Length14 Inches
Weight4 Pounds
Width9.1 Inches
Part NumberQUA37890
Model37890

2. Mead

#ad

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

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

3. Mead

#ad

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

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

4. Quality Park

#ad

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

#ad
Quality Park #ad - Great for home, office, interoffice or mailing. Brown kraft stock designed to give contents extra protection during mailing, storage and handling. 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.

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.

Packed in 250 count: so many uses means supply is depleted quickly! Conveniently packed in 250 count to reduce frequency of purchasing. 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.
BrandQuality Park #ad
Manufacturer0 #ad
Height9.75 Inches
Length14.31 Inches
Weight0.06 Pounds
Width9.06 Inches
Part Number37590
Model37590

5. Quality Park

#ad

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

#ad
Quality Park #ad - Brown kraft stock gives contents extra protection during mailing, storage and handling. Heavy duty: extra durable, 32 lb. Designed for repeated use: Double prong metal clasp is durable and eyelets are reinforced. All-purpose: perfect size for mailing and storing a variety of documents, especially letter-sized documents when folding is undesirable. Permanent seal: in addition to the clasp closure, the deep gumming on the flap can create a permanent seal. 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

6. Quality Park

#ad

Quality Park Quality Park Executive Gray Gummed Clasp Envelopes QUA38590, 9 x 12 Inches

#ad
Quality Park #ad - Reusable. Clasp envelope on paper stock features a gummed flap closure. Double prong metal clasps with reinforced eyelets. Heavily gummed flaps.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height4 Inches
Length14.9 Inches
Weight4.3 Pounds
Width9.3 Inches
Part Number38590
Model38590

7. Amazon Basics

#ad

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

#ad
Amazon Basics #ad - Clasp envelope 100-pack for filing, storing, or mailing documents. Measures 9 by 12 inches each; backed by an Amazon Basics 1-year limited warranty. 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.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Height3.13 Inches
Length12 Inches
Weight1.76 Pounds
Width9 Inches
Part NumberAMZ37890
ModelAMZ37890

8. EnDoc

#ad

With Clasp Closure & Gummed Seal – 28lb Heavyweight Paper Envelopes for Home, Office, 30 Pack, Business, Legal or School., Clasp Envelopes – 9x12 Inches Brown Kraft Catalog Envelopes

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

Catalog orientation – classic open end style enables fast, Coupon, pamphlet, Convenient Stuffing for Legal Letter, Magazine & Other Common Mailers. 9x12 clasp envelope set – pack of 30 single reusable envelopes serves a Variety of Small & Large Documents for Home, Business, Office, Legal & School. 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!.
BrandEnDoc #ad
ManufacturerEnDoc #ad
Weight0.9 Pounds
Part NumberClasp Brown

9. HERKKA

#ad

HERKKA 120 Pack Security White Catalog Envelopes, 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

#ad
HERKKA #ad - High quality kraft paper: made of durable paper for exceptional rip, tear and puncture resistance. Herkka white catalog envelope is with a strong flap adhesive, you just need to pull the tab and it will self seals. Good job in printing address, shipping labels and etc.

Quick-seal closure: our 9x12 catalogs 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, perfect for photos, catalogs, thicker, larger documents and other business mailings. Premium security tint pattern:each 9x12 envelope uses a super secure, information and data when mailing. 120 pack catalog envelopes:herkka white 9x12 security envelopes are perfect size for standard 8. 5'' x 11'' letter paper for business documents and premium quality.

Wide opening saves times when stuffing up to 60 sheets of letter paper securely. Ideal for secure business mailing and sensitive correspondence. Printer friendly : self sealing catalog envelope is thick enough, you can run these through your laser or ink-jet printers without bleeding ink out or going ink fuzzy. It will be more easier than sponges or glue sticks and assure contents will not fall out during transit. Your documents are safe from others during transit.
BrandHERKKA #ad
ManufacturerHERKKA #ad
Part NumberSecurityWhiteCatalogEnvelopes-120

10. Columbian Envelopes

#ad

Brown Kraft, 9 x 12 Inches, 100 Per Box CO790, Columbian Clasp Envelopes

#ad
Columbian Envelopes #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. 9 x 12 inches; 100 envelopes per box. Brown kraft material provides privacy of contents. Extra heavy-duty opaque 32 lb.
BrandColumbian Envelopes #ad
ManufacturerLSC Communicaitons #ad
Height3.9 Inches
Length9.25 Inches
Weight4.6 Pounds
Width14.25 Inches
Part NumberCO790
ModelCO790
Warranty1 Year Limited Warranty. Warranty will replace defective product upto one year from purchase date.