Here's some info I forwarded to Cactuslily that might help:
There's 3 basic sizes for log molds (first link under each is the full set including the extra plate. And the second, is without the plate. I'd recommend the plate set in order to push out the soap neatly):
1. Cafe mold-
Inside dimensions:
9.8 inches (L) x 2.6 inches (W) x 2.4 (H)
http://global.rakuten.com/en/store/cafe-de-savon/item/a1081201/?s-id=borderless_browsehist_en
http://global.rakuten.com/en/store/cafe-de-savon/item/a1081202/?s-id=borderless_browsehist_en
2. Milk mold-
Inside dimensions:
7 5/8" (L) x 2 5/8" (W) x 3 (H)
http://global.rakuten.com/en/store/cafe-de-savon/item/a1081203/?s-id=borderless_browsehist_en
http://global.rakuten.com/en/store/cafe-de-savon/item/a1081204/?s-id=borderless_browsehist_en
3. Tall mold
Inside dimensions:
9.8" (L) x 1.8" (W) x 3.3" (H)
http://global.rakuten.com/en/store/cafe-de-savon/item/a1101201/?s-id=borderless_browsehist_en
http://global.rakuten.com/en/store/cafe-de-savon/item/a1101204/
Slab mold-
Brownie mold:
6 4/8" (H) x 6 4/8" (L) x 2 1/8" (H)
http://item.rakuten.co.jp/cafe-de-savon/a1131201/
There's 3 basic sizes for log molds (first link under each is the full set including the extra plate. And the second, is without the plate. I'd recommend the plate set in order to push out the soap neatly):
1. Cafe mold-
Inside dimensions:
9.8 inches (L) x 2.6 inches (W) x 2.4 (H)
http://global.rakuten.com/en/store/cafe-de-savon/item/a1081201/?s-id=borderless_browsehist_en
http://global.rakuten.com/en/store/cafe-de-savon/item/a1081202/?s-id=borderless_browsehist_en
2. Milk mold-
Inside dimensions:
7 5/8" (L) x 2 5/8" (W) x 3 (H)
http://global.rakuten.com/en/store/cafe-de-savon/item/a1081203/?s-id=borderless_browsehist_en
http://global.rakuten.com/en/store/cafe-de-savon/item/a1081204/?s-id=borderless_browsehist_en
3. Tall mold
Inside dimensions:
9.8" (L) x 1.8" (W) x 3.3" (H)
http://global.rakuten.com/en/store/cafe-de-savon/item/a1101201/?s-id=borderless_browsehist_en
http://global.rakuten.com/en/store/cafe-de-savon/item/a1101204/
Slab mold-
Brownie mold:
6 4/8" (H) x 6 4/8" (L) x 2 1/8" (H)
http://item.rakuten.co.jp/cafe-de-savon/a1131201/