9 x 12 envelopes are great for mailing or storing documents, brochures, magazines, and booklets, and are suitable forhome, school,or business. Most 9 x 12 envelopes feature a square flap on the short end of the envelope, making it easy to properly insert and remove papers.  Envelopes of this size allow you to send or store paperwork, without bending or creasing the papers. 

Different types of 9×12 envelopes available include:

• 9×12 booklet envelopes
• 9×12 open end envelopes
• 9×12 clasp envelopes
• 9×12 poly mailers
• 9 x 12 full face window envelopes

• 9×12 booklet envelopes
  These envelopes open on the side, and can be used to mail annual reports, sales brochures, and product information.  They are a professional way to send bulky materials, when the contents shouldn’t be folded. These 9×12 envelopes come in a variety of colors.
• 9×12 open end envelopes
  These envelopes, also called a “catalog” envelope, are suitable for invoices, statements, and other flat, bulky materials.  These envelopes can also be used for multiple small items, and are available in an array of colors, with either self – stick peel and seal, or moistened glue flaps.
• 9×12 clasp envelopes
  These multi-purpose envelopes allow for multiple uses; the moisture activated gummed seal can be used for mailing, while the metal clasps allow for repeated use and storage purposes.  They are highly suitable for office use, and are available in a wide variety of colors.    
• 9×12 poly mailers
  These mailers are puncture, tear, and moisture resistant, and are quickly becoming the ideal packaging solution for non-fragile items, such as clothing medications, books, or other documents. They are available in a variety of colors, and have a peel and seal adhesive closure. 
• 9×12 full face window envelopes
  Full face window envelopes have an oversized transparent window centered on the face of the envelope, and are great for showing off what’s inside!  They are perfect for sending Head Shots, letters, 8.5 x 11 photos, certificates, catalogs, or statements.  These envelopes are available in a variety of colors, and include peel and press, or moistened glue sealing options.