spec K 1 LETTER
| 品名 | 1 Letter |
|---|---|
| サイズ | Custom B5 W180 x H90mm (envelope), W179 x H253mm (paper) |
| 重量 | 52g |
| 付属品 | 1 envelope, 3 letter papers, 1 address label |
| Paper | Paper Conqueror laid (envelope), Classico tracing pale blue (liner), Conqueror laid Lined (paper) |
| 製造（国） | Japan |