Top 10 Security Envelopes 3 5/8 x 6 1/2 – Business Mailing Envelopes

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1. EnDoc

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White 6 1/2 x 3 5/8 Inches Peel and Seal Envelope, Business, Office, For Home, 500 Pack, EnDoc #6 3/4 Security Tinted Self Seal Envelopes, or School

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EnDoc #ad - Convenient peel and stick – user friendly design speeds up stuffing & Sending w/ Super Strong Sticker Adhesive Already Applied; No More Gummed Closure. Standard tinted security – extra thick, opaque material, intricate Security Pattern & No Windows Ensure Utmost Confidentiality for Private Correspondence.

6 3 4 business envelopes – high quality easy close office envelopes are Perfect for Sending Forms, Invoices, Invitations, Checks, Cards, Photos, Memos & Beyond. Save more on bulk supply – stock up & take advantage of best pricing; choose from 250 Pack or 500 Count Box for Home, School, Office, Wedding, Etc. Heavy 24lb construction – unbendable white kraft paper stands up to postal Journey; Hard, Professional Weight Won’t Rip, Sturdy, Tear, Fold, Crinkle or Crease.
BrandEnDoc #ad
ManufacturerEnDoc #ad
Weight4.21 Pounds
Part NumberENDOC236

2. Mead

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Mead #6-3/4 Security Envelopes, 80 per Box 75212, Confidential, 3-5/8" x 6-1/2", White

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Mead #ad - Paper. 6-3/4 size envelopes measure 3-5/8" x 6-1/2". 20 lb. 80 envelopes per box. White envelopes with security lining ensure privacy. Made in United States.
BrandMead #ad
ManufacturerMEAAH #ad
Height3.75 Inches
Length3 Inches
Weight0.05 Pounds
Width6.63 Inches
Part Number75212
Model75212
Warranty...

3. Office Depot

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Office Depot Security Envelopes, 6 3/4 3 5/8in. x 6 1/2in., 12026, White, Box of 500

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Office Depot #ad - Fully gummed flap provides a strong, dependable seal. Ideal for business and professional use. Security-tinted inside for privacy and confidentiality. Optimal for mailing standard personal checks. Perfect for a variety of applications.
BrandOffice Depot #ad
ManufacturerOffice Depot #ad
Part NumberODP77108

4. Amazon Basics

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100-Pack, White, AmazonBasics #6 3/4 Security Tinted Envelopes with Peel & Seal

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Amazon Basics #ad - 24-pound white woven paper for quality and strength. 100-pack of #6 envelopes with Peel & Seal closure—no moisture needed. Ideal for home or office; securely send checks, invoices, or other confidential documents. Interior security tint keeps content private; windowless design. Measures 3-5/8 by 6-1/2 inches each.
BrandAmazon Basics #ad
ManufacturerAmazonBasics #ad
Part NumberAMZA25
ModelAMZA25

5. Mead

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55 Count,3 5/8 in x 6 1/2 in, MEA75030, Press-it Seal-it Security Envelope

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Mead #ad - Simply peel the strip, and the envelope instantly seals with no licking. Mail documents you need to keep private in these no. Sold as 55/BX. Press-it seal-it, self-adhesive closure makes sealing the envelopes easy. 6 security envelopes with a lining to shield your information.
BrandMead #ad
ManufacturerMead #ad
Height4 Inches
Length3 Inches
Weight0.4 Pounds
Width7 Inches
Part NumberMEA75030
ModelMEA75030-SN
Warrantykkk

6. Quality Park

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Quality Park #6 3/4 Security-Tinted Envelopes with Peel & Seal, 100-Pack, White – QUA10417

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Quality Park #ad - An excellent value: bright white 24-lb paper makes an impression for business mailings and personal correspondence; get 100 3-5/8 x 6-1/2 inch envelopes. Enhanced security: offer the protection clients deserve & protect yourself from liability; a security tint makes envelopes hard to see through; a security pattern scrambles the appearance of text.

Save time with self-stick: quality park #6 3/4 Security Envelopes have a strong peel & stick closure that helps you fly through mailings in record time. Store more, longer: reid-strip envelopes have a longer shelf-life thanks to the peel able strip that protects your adhesive from dust. Less yuck: we promise you won't miss licking envelopes or crumbly, drippy sponges; complete your mailings, no accessories required.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height2.44 Inches
Length6.63 Inches
Width3.75 Inches
Part NumberQUA10417
ModelQUA10417
WarrantyN/A

7. Minas Envelope

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Premium 24lb. White, Gum Flap 500 Envelopes., Tinted, Minas Envelope # 6 3/4 Business Envelope, 3 5/8" x 6 1/2"

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Minas Envelope #ad - Gum Flap. Premium tinted 24lb White Paper. 6 3/4 business envelopes 3 5/8 x 6 1/2 in New Branded Minas Envelope Box. Proudly made in the USA. 500 envelopes. No.
BrandMinas Envelope #ad
ManufacturerMinas Envelope #ad
Part NumberMB634T

8. Office Depot

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78185, 6 3/4 3 5/8in. x 6 1/2in., Box of 100, White, Office Depot Clean SealTM Security Envelopes

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Office Depot #ad - These #10 envelopes offer a convenient peel-and-seal design that requires no moisture. Office depot security envelopes with durable 2-sided seam construction resist tearing. Office depot security envelopes can simplify your task. Self-seal security envelopes are ideal for general mailings. Made of crisp 24-lb wove for a substantial feel. Security-tinted inside for privacy and confidentiality. Don't let the thought of licking envelope adhesive ruin your day.
BrandOffice Depot #ad
ManufacturerOffice Depot #ad
Part NumberMPA/OD/157

9. Mead

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Mead #75212 80CT #6 White Envelope 3pack

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Mead #ad - No. All-purpose for home and off. Mead security envelopes 80 count- 3-Pack #75212. Printed lining for privacy. 3 boxes of 80 envelopes 240 total envelopes. 6 3/4 security envelopes 3 5/8 in. X 6 1/2 in. 9. 2 cm x 16. 5 cm.
BrandMead #ad
ManufacturerMeadwestvaco #ad
Height3.75 Inches
Length3 Inches
Weight1.59 Pounds
Width6.63 Inches
Part NumberFBA_75212
ModelFBA_75212
Warranty...

10. Ohuhu

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Ohuhu 500 Pack # 8 Double Window Envelope SELF Seal Adhesive Tinted Security Envelopes Quickbooks Check, Documents Secure Mailing, 3 5/8" x 8 11/16", Business Check, White Envelope

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Ohuhu #ad - Your accounting housekeeping just got a whole lot easier. Double windows, great quickbooks check enveLOPE: Designed specifically for QuickBook users, these business envelopes fit checks perfectly, with dual windows displaying essential information without leaking out sensitive details.

Best value: each box comes with 500 double window self seal security check envelopes envelopes, which fit standard-sized checks perfectly. Quick seal adhesive: no glue sticks required. With a easy peel-off strip that reveals a strong, permanent adhesive that won’t rip or tear even through long haul journeys. Premium quality: these security check envelopes are made with thick 24lb.

Security tinted envelopes: these business check envelopes feature high quality security patterns with heavy paper stock to protect confidential information, for absolute peace of mind when mailing sensitive information. Paper, a super adhesive seal and a high-quality security pattern to ensure contents are kept in tip-top condition, with absolutely no security compromises.
BrandOhuhu #ad
ManufacturerOhuhu #ad
Height3.9 Inches
Length10.8 Inches
Width9.3 Inches
Part NumberY44-82000-01-New
Model# 8
WarrantyOhuhu