Certified Mail Envelopes Letter Size #10 Pack of 50


50 Pack of #10 Certified Mail Envelopes to be used w/ Certified Mail Labels

Item No: CML10_50
Man Number: CML10_50

This pack includes 50 Certified Mail Envelopes business letter size (#10), pack of 50 envelopes:


Each envelope holds up to 10 pages of paper, is bright white in color and includes the required USPS Certified Mail banner printed on each envelope. This envelope was designed to be used with  Certified Mail Labels website to process your data, address, track and print USPS Certified Mail bar codes with PC Postage.  Our envelopes are made in the USA and have been approved by the United States Postal Service (USPS) to send USPS Certified Mail with Return Receipt Electronic Signatures, Restricted Delivery Certified Mail and Certified Mail with Priority Mail 2-3 day delivery. 


  • 50 Certified Mail Envelopes letter size #10 

  • Holds up to 10 sheets of paper

  • USPS Certified Mail

  • USPS Certified Mail with Return Receipt Electronic (Signatures)

  • USPS Certified Mail with Restricted Delivery Service

  • USPS Certified Mail with Priority Mail 2-3 Day delivery


Not available in any store or Post Office

SHIPS USPS Priority Mail 2-3 day delivery


Address, track and print USPS Certified Mail and get proof of mailing and proof of delivery including Return Receipt Electronic Signatures. Send USPS Certified Mail, Restricted Delivery and Priority Certified Mail using this envelope.


Each order includes free access to our web based software to address, track, print and mail USPS Certified Mail.  We keep a copy of your mailing history including the USPS proof of delivery receipts for 10 years.  No more lost green cards, forms or stickers.  Supports unlimited users with secure access and data storage