Canada post mailer dimensions

Canada Post provides a range of mailer dimensions for various types of mailpieces. Here are some common dimensions for Canada Post mailers:

Lettermail

• Small: 102 mm x 152 mm (4" x 6")
• Medium: 114 mm x 152 mm (4.5" x 6")
• Large: 127 mm x 152 mm (5" x 6")

Large Envelope

• Small: 152 mm x 229 mm (6" x 9")
• Medium: 152 mm x 305 mm (6" x 12")
• Large: 229 mm x 305 mm (9" x 12")

Flat Rate Envelope

• Small: 152 mm x 229 mm (6" x 9")
• Medium: 229 mm x 305 mm (9" x 12")
• Large: 305 mm x 457 mm (12" x 18")

Padded Envelope

• Small: 152 mm x 229 mm (6" x 9")
• Medium: 229 mm x 305 mm (9" x 12")
• Large: 305 mm x 457 mm (12" x 18")

Box

• Small: 152 mm x 229 mm x 76 mm (6" x 9" x 3")
• Medium: 229 mm x 305 mm x 102 mm (9" x 12" x 4")
• Large: 305 mm x 457 mm x 152 mm (12" x 18" x 6")

Specialty Mailers

• Catalogue: 152 mm x 305 mm x 76 mm (6" x 12" x 3")
• Booklet: 152 mm x 229 mm x 76 mm (6" x 9" x 3")
• Tube: 152 mm x 305 mm x 305 mm (6" x 12" x 12")

Please note that these dimensions are subject to change, and you should always check with Canada Post for the most up-to-date information. Additionally, some mailers may have specific requirements for thickness, weight, or other characteristics.