YOU SAID:

So....I think that I have a bag of sand.

INTO JAPANESE

だから....私は砂の袋を持っていると思う。

BACK INTO ENGLISH

So ... I think I have a bag of sand.

INTO JAPANESE

だから...私は砂の袋を持っていると思う。

BACK INTO ENGLISH

So ... I think I have a sand bag.

INTO JAPANESE

だから...私は砂袋を持っていると思う。

BACK INTO ENGLISH

So ... I think I have a sandbag.

INTO JAPANESE

だから...私は土嚢を持っていると思う。

BACK INTO ENGLISH

So ... I think I have a sandbag.