0
Items
Shop all product categories

All "D" Paper Mills / Manufacturers

All "D" Brands

All "G" Paper Mills / Manufacturers

All "G" Brands

All "H" Brands

All "I" Brands

All "M" Paper Mills / Manufacturers

All "M" Brands

All "O" Brands

All "T" Brands

All "U" Brands

All "W" Paper Mills / Manufacturers

All "W" Brands

Square Envelopes

Square Envelopes

Welcome to our square envelope shop, with over 250 square envelopes available.

Square envelopes create a unique look. You can use square envelopes to reach out to friends, family and clients with announcements, invitations and simply to keep in touch. Whether you're mailing out just a few envelopes or a mass mailing, your envelope matters and these envelopes always look good in the mailbox and are always appreciated.

We ship same day on orders placed for in-stock items by 2:00 pm central.
Grid List
  • 24 Item(s)
Set Descending Direction
 per page
Grid List
  • 24 Item(s)
Set Descending Direction
 per page
Current Filters

Currently Shopping by:

  1. Remove  Envelope Size: 5 1/2 x 5 1/2
Clear All
Narrow your Results

Shopping Options

Product Type
  1. Envelopes (24)
Color
  1. white White (10)
  2. ivory Ivory (2)
  3. red Red (2)
  4. green Green (2)
  5. blue Blue (2)
  6. black Black (2)
  7. silver Silver (2)
  8. clear Clear (2)
Envelope Type
  1. Arturo 5 1/2 Square (4)
  2. No. 5 1/2 Square (20)
Envelope Class
  1. Square Envelopes (24)
Envelope Style
  1. Contour Flap (4)
  2. Square (24)
Basis Weight
  1. Bond (10)
  2. Text (14)
Finish
  1. Felt (4)
  2. Metallic (4)
  3. Smooth (4)
  4. Translucent Vellum (10)
  5. Vellum (2)
Eco Features
  1. 30+% Recycled (4)
  2. Carbon Neutral (4)
  3. Elemental Chlorine Free (18)
  4. FSC Certified (10)
  5. Green-e Certification (4)
  6. Lignin Free (18)
  7. Made Using Wind Power (4)
Printer Compatibility
  1. Copiers (B&W) (6)
  2. Copiers (Color) (6)
  3. Inkjet Printers (16)
  4. Laser Printers (20)
  5. Offset Printing (24)
Brand
  1. Arturo (4)
  2. ASPIRE Petallics (4)
  3. Exact Ice (2)
  4. Glama Natural (10)
  5. Pegasus (4)
Coating
  1. Coated 2 sides (C/2S) (4)
Paper Features
  1. Metallic (4)
  2. Translucent (10)
Packing Unit
  1. Carton (12)
  2. Box (12)
Mill / Manufacturer
  1. CTI Paper USA (14)
  2. Legion Paper (4)
  3. Mohawk Fine Papers (4)
  4. Wausau Paper (2)
Compare Products

You have no items to compare.

Our Company

Customer Service

Discount Programs

Eco Information

Product Resources

Fast Turnaround Services

Online Resources

Special Occasion Shops

Carbon Free Partner The Paper Mill Store.com BBB Business Review Authorize.Net on The Paper Mill Store.com
Copyright © 2004 - 2013 The Paper Mill Store, Inc.