! ×

Important: There is a fraudulent email circulating claiming to be from Canada Post: Continue Reading

Machineable Envelopes

Standard (STD)

Standard (STD) mail is often used for general business correspondence, customer loyalty program information, and promotional letters and brochures.

These are envelopes or self-mailers that conform to the dimensions outlined below.

Dimensions Length Width Thickness L to W Ratio Weight
MIN 140 mm
(5.6 in)
90 mm
(3.6 in)
0.18 mm
(0.007 in)
1.3 2 g
(0.07 oz)
MAX 245 mm
(9.6 in)
156 mm
(6.1 in)
5 mm
(0.2 in)
2.6 50 g
(1.75 oz)

Oversize (O/S)

Oversize (O/S) Mail is often used for mailing larger, heavier or thicker items, like booklets, catalogues, media disks, annual reports, and product samples

This is a category of mail that conforms to the dimensions outlined below.

Dimensions Length Width Thickness Weight
MIN 140 mm
(5.6 in)
90 mm
(3.6 in)
0.5 mm
(0.02 in)
10 g
(0.4 oz)
MAX 380 mm
(14.9 in)
270 mm
(10.6 in)
20 mm
(0.8 in)
500 g
(17.6 oz)
Feedback