Name: Member's Mark Security Envelope #6-3/4, 500 ct.
Brand: Member's Mark
SKU: 7874224719
Availability: InStock
Rating: 4.8 (259 reviews)

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Limited time! Get a $50 statement credit when you open an account & use it to make $30 in eligible Sam’s Club purchases within 30 days.¹

¹Offer subject to credit approval. During the offer period, new accounts that qualify will earn a $50 statement credit instead of a $30 statement credit that you may see otherwise advertised. To qualify, you must (i) apply and be approved for a Sam’s Club credit card account between June 24, 2026—July 7, 2026 and (ii) use your new account to make Sam’s Club purchases totaling $30 or more (excluding cash advances, gift card sales, alcohol, tobacco and pharmacy purchases) within 30 days of date of account opening. When you open an account online or with your mobile device, purchases cannot be made at in-club registers until the physical card is received. Your physical card should arrive in 7–10 business days from date of account opening. A $50 credit will post to the account within 90 days after the qualifying purchases are made. Offer is valid for newly opened accounts only and each account is eligible for only one $50 offer, in lieu of, and not in addition to, any advertised $30 offer.

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Member's Mark Security Envelope #6-3/4, 500 ct.

<summary><ul><li><strong>Private Contents</strong>: Features an interior security tint, effectively safeguarding sensitive information and maintaining the privacy of contents during transit.</li><li><strong>Professional Material</strong>: Constructed from 24 lb. white woven paper, these envelopes present a clean and professional appearance for all correspondence.</li><li><strong>Reliable Sealing</strong>: Incorporates a gummed flap for a secure and dependable seal, ensuring mail remains firmly protected until delivery.</li><li><strong>Generous Supply</strong>: Provided in a large 500-count box, offering an ample and cost-effective supply for extensive mailing requirements.</li><li><strong>Broad Utility</strong>: Suitable for diverse uses in office environments, home organization, or even securing small items and cash in various professional settings.</li><li><strong>Custom Personalization</strong>: Designed with a plain white surface, allowing for effortless customization such as printing return labels or unique advertising designs.</li></ul></summary>

<p>Keep your mail secure with the Member's Mark™ Security Envelope #6-3/4 (500 ct.). This box contains 24-pound on envelopes made with white woven paper, which gives your correspondence a clean, professional look. The interior security tint keeps contents private, adding enhanced security during the shipping process. These envelopes also boast peel-off self-adhesive closures.</p> <h3>Want An Easy Way To Send a Lot Of Mail?</h3> <p>Are you sending a lot of mail? This large box of envelopes is a great choice to stock in your office. Keep stacks of security envelopes at everyone's desk for convenience. Sending important mail can be stressful. With full privacy created in these sturdy envelopes, protecting the contents inside becomes simple. Ensure proper delivery with Member's Mark Security Envelope #6-3/4.</p> <h3>Customizing Your Envelopes?</h3> <p>These white woven paper envelopes are just plain enough to customize and make unique. Print a return label unique to any address or business quickly and professionally. Create advertising schemes that can easily transfer to envelopes. Make them stand out from the dozens of pieces of mail sent out on any given day with a little bit of originality. With a self-adhesive closure, Member's Mark Security Envelope ensure mail is delivered safely.</p> <h3>Looking For Several Uses For These Security Envelopes?</h3> <p>Envelopes are useful for dozens of things. Hide a stack in a cabinet at a restaurant or coffee shop as an easy way for baristas and servers to tuck away their cash after their shift. Have a stack of security tint envelopes on hand in the classroom, help children keep their notes and small items organized with their own envelope and ensure their paperwork is never lost. Send home documents or anything that may be important and ensure contents stay firmly secure with a gummed flap for extra security. &nbsp;Member's Mark Security Envelope #6-3/4 are a durable and cost-effective choice for the home, office or work.</p><a href="https://help.samsclub.com/app/answers/detail/a_id/2790" target="_blank"></a>

Envelope Size

Brand

<ul>  <li>#6-3/4 security envelopes</li>  <li>24 lb. white woven paper</li>  <li>Security Tint</li>  <li>Gummed flap for a secure seal</li>  <li>500 count</li>  <li>Model # MM0634SEC</li> </ul>

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<ul>
	<li>#6-3/4 security envelopes</li>
	<li>24 lb. white woven paper</li>
	<li>Security Tint</li>
	<li>Gummed flap for a secure seal</li>
	<li>500 count</li>
<li>Model # MM0634SEC</li></ul>

I am the membership coordinator for a large club. A lot of members renew via mail and these are perfect for sending out over 2400 membership cards.

Member’s Mark Security Envelopes

Great quality of envelopes. They are heavy duty…not a flimsy light weight. Great business envelope that can be printed on from a multifunctional machine.

Great Quality

We have gotten these envelopes for years and do not have any problems with them. The windows are secure and every one has sealed well so far. The free shipping for business accounts is wonderful for getting these without going to the store.

Good, Basic Envelopes

We use these in our service  business for an easy way for customers to return a self addressed envelope with a payment.

Owner member

Great smaller self seal safety envelopes that my mother uses for weekly mailings for shut-ins at Church...

Just right for the Job...

I really like the peel and stick instead of the awful taste of the the lick and stick plus the security.

Peel instead of lick

WE HAVE BEEN BUYING THESE  ENVELOPES FOR OUR CHURCH FOR MANY YEARS AND NEVER HAD A PROBLEM.  THE PRICE IS OUTSTANDING!!!

GREAT VALUE

Excellent price and availability.  The only issue was that the envelopes were a bit warped (slight curve to the paper), making it difficult to print on.  This occurs when warehouse temperature and humidity are not properly controlled.

In stock, arrived fast, slightly warped.

Envelopes were the right size, but they came in a torn and taped flimsy box with someone's name written on the bottom.  I assume that all the envelopes were still in the box per count.

Member's Mark Security Envelope #6-3/4 (500 ct.)

I returned these envelopes because I thought they were security envelopes legal size. Get them home. They're not even letter size. They're like money sized

Member's Mark Security Envelope #6-3/4, 500 ct.

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Smart summary

Member's Mark Thermal Receipt Paper Rolls, 3 1/8" X 190', 18 Rolls