Perfect for mailing your personalized greeting cards. Astrolite and Astrolite PC 100 Envelopes are now available directly from Monadnock.

Specify Monadnock papers and envelopes for your corporate stationery, acceptance letters, greeting cards, invitations, fund raising campaigns and other very important communications. No other uncoated papers surpass the printability, consistency and the archival quality that Monadnock delivers.

ASTROLITE® – a premium, brilliant white, uncoated printing paper with superior formation for excellent results.

ASTROLITE PC 100® – a premium, bright white, 100% post-consumer-waste fiber printing paper with superior formation.

These envelopes are now available in stock and may be purchased directly from Monadnock. Contact customer service at 800-221-2159 or customerservice@mpm.com for more information.

Product Typical Properties

This information is presented in good faith for verification and corroboration by the prospective user. No warranty is implied or to be assumed. Caliper is to be used as a guideline only. Unless otherwise indicated, Text and Cover grades are run to weight and finish, not caliper.

Astrolite Wove 24/60 lb.


Basis Weight Smoothness Brightness ISO Sizes
gsm Sheffield
90 168 97 A2, A7 and 10 Sq Flap


Astrolite Smooth 70 lb.


Basis Weight Smoothness Brightness ISO Sizes
gsm Sheffield
103 135 97 A2, A7 and 10 Sq Flap


Astrolite PC 100 70 lb.


Basis Weight Smoothness Brightness ISO Sizes
gsm Sheffield
103 140 95 A2, A7 and 10 Sq Flap


Additional sizes and paper grades are available by special order. Contact your local merchant or send us a message for your custom envelope needs.

Swatch Books

Great work deserves great paper

Get a better look at the creative possibilities of Monadnock Paper Mills comprehensive paper and packaging solutions. Our swatch books make choosing the right substrate for your next project easy, request yours today.


Reference tools to make your job easier

With a passion for the environment and ingenuity Monadnock is turning ideas into reality. Read our latest news, browse our graphic resources, order samples, find a distributor and learn about Monadnock Paper Mills. 

Request Product Sample


Made with the environment in mind, Monadnock Envelopes are Forest Stewardship Council Certified and manufactured carbon neutral (VERs) and we use 100 percent renewable Green-e certified wind powered electricity (RECs) under a third-party certified ISO 14001 Environmental Management System.


Tell your story with environmental logos. Download our logo toolkit. Don’t forget to tell everyone it’s Made in the U.S.A.

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