spec-BBS Envelope
| Product name | BBS Envelope |
|---|---|
| Dimensions | 245 x 335 x 45 mm (A4 size) 220 x 280 x 50 mm (B5 size) 255 x 125 x 45 mm (small) |
| Weight | 96g(A4 size) 72g(B5 size) 43g(small) |
| Material | GA Board FS paper, Magictape fastener |
| Made by | Kanko Kogyo |
| Country of manufacture | Japan |