Size and weight requirements

Each Canadian Forces Postal Service (CFPS) item must meet the size and weight specifications shown below.

Air Forces Letters (must be rectangular)

Metric
Imperial
Requirement Minimum Maximum
Length
140 mm
5.5 inches
220 mm
8.7 inches
Width
90 mm
3.5 inches
110 mm
4.3 inches
Thickness
Not applicable
Not applicable
Not applicable
Not applicable
Weight
60 g/m2
2.1 ounces per square foot
Not applicable
Not applicable

CFPS Lettermail and Letter-post items

Metric
Imperial
Requirement Minimum Maximum
Length
140 mm
5.5 inches
220 mm
14.9 inches
Width
90 mm
3.5 inches
270 mm
10.6 inches
Thickness
0.18 mm
0.007 inches
20 mm
0.8 inches
Weight
Not applicable
Not applicable
500 g
17.6 ounces

CFPS Parcels (Domestic or International)

Requirement Minimum Maximum
Length
140 mm
3.9 inches
1 m
3.3 feet
Width
70 mm
2.8 inches
Not applicable
Not applicable
Thickness
0.18 mm
0.04 inches
Not applicable
Not applicable
Length + girth 1
Not applicable
Not applicable
2 m
6.6 feet
Weight
Not applicable
Not applicable
20 kg
44.1 pounds

1 Girth is the distance around your item: (width + thickness) x 2