Usps self mailer specifications

The United States Postal Service (USPS) offers a variety of self-mailer formats that can be used for sending documents, brochures, and other lightweight materials. Here are the specifications for some common USPS self-mailer formats:

1. Self-Mailer (SML)

• Size: 3.5 x 6.125 inches (8.89 x 15.56 cm)
• Weight: Up to 1 ounce (28.35 grams)
• Thickness: Up to 0.0125 inches (0.318 mm)
• Material: Paper or paperboard
• Folding: Folded in half or quarter-folded
• Mailing: First-Class Mail, Standard Mail, or Periodicals

2. Flat Self-Mailer (FSM)

• Size: 6.125 x 11.5 inches (15.56 x 29.21 cm)
• Weight: Up to 1 ounce (28.35 grams)
• Thickness: Up to 0.0125 inches (0.318 mm)
• Material: Paper or paperboard
• Folding: Folded in half or quarter-folded
• Mailing: First-Class Mail, Standard Mail, or Periodicals

3. Large Envelope Self-Mailer (LES)

• Size: 9 x 12 inches (22.86 x 30.48 cm)
• Weight: Up to 3.5 ounces (99.21 grams)
• Thickness: Up to 0.0125 inches (0.318 mm)
• Material: Paper or paperboard
• Folding: Folded in half or quarter-folded
• Mailing: First-Class Mail, Standard Mail, or Periodicals

4. Catalog Self-Mailer (CAT)

• Size: 6.5 x 9 inches (16.51 x 22.86 cm)
• Weight: Up to 3.5 ounces (99.21 grams)
• Thickness: Up to 0.0125 inches (0.318 mm)
• Material: Paper or paperboard
• Folding: Folded in half or quarter-folded
• Mailing: First-Class Mail, Standard Mail, or Periodicals

5. Booklet Self-Mailer (BKLT)

• Size: 5.5 x 8.5 inches (14.02 x 21.59 cm)
• Weight: Up to 3.5 ounces (99.21 grams)
• Thickness: Up to 0.0125 inches (0.318 mm)
• Material: Paper or paperboard
• Folding: Folded in half or quarter-folded
• Mailing: First-Class Mail, Standard Mail, or Periodicals

General Guidelines

• All self-mailers must be securely closed and sealed to prevent contents from falling out during mailing.
• Self-mailers must be addressed on the front side, with the recipient's name and address printed in a clear, legible font.
• Self-mailers can be mailed at First-Class Mail, Standard Mail, or Periodicals rates, depending on the weight and size of the piece.
• Self-mailers must comply with USPS regulations regarding content, labeling, and packaging.

It's always a good idea to check with the USPS for the most up-to-date specifications and guidelines for self-mailers, as they may change over time.