YOU SAID:
open containers are not allowed, but jars with lids could break
INTO JAPANESE
開いた容器は許可されていませんが、蓋付きの瓶は壊れる可能性があります
BACK INTO ENGLISH
Open containers are not allowed, but bottles with lids can break
INTO JAPANESE
開いた容器は許可されていませんが、蓋付きのボトルは壊れる可能性があります
BACK INTO ENGLISH
Open containers are not allowed, but bottles with lids can break
That didn't even make that much sense in English.