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Size and weight requirements
Each Registered Mail™ item must meet the size and weight specifications shown below.
Registered Mail – U.S.
| Requirement | Minimum | Maximum |
|---|---|---|
| Length |
210 mm
8.3 inches
|
380 mm
15.0 inches
|
| Width |
140 mm
5.5 inches
|
270 mm
10.6 inches
|
| Thickness |
1 mm
0.04 inches
|
20 mm
0.8 inches
|
| Weight | Not applicable |
500 g
17.6 ounces
|
Registered Mail – International Standard letter
| Requirement | Minimum | Maximum |
|---|---|---|
| Length |
140 mm
5.5 inches
|
245 mm
9.6 inches
|
| Width |
90 mm
3.5 inches
|
156 mm
6.1 inches
|
| Thickness |
0.18 mm
0.007 inches
|
5 mm
0.2 inches
|
| Weight | Not applicable |
50 g
1.8 ounces
|
Registered Mail – International Standard card or postcard
| Requirement | Minimum | Maximum |
|---|---|---|
| Length |
140 mm
5.5 inches
|
235 mm
9.2 inches
|
| Width |
90 mm
3.5 inches
|
120 mm
4.7 inches
|
| Thickness |
0.18 mm
0.007 inches
|
Not applicable |
| Weight | Not applicable |
50 g
1.8 ounces
|
Registered Mail – International Other Letter-post
| Requirement | Minimum | Maximum |
|---|---|---|
| Length |
140 mm
5.5 inches
|
380 mm
15.0 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 |
500 g
17.6 ounces
|