YOU SAID:
My hat is made of bobcats.
INTO JAPANESE
私の帽子はヤマネコで作られています。
BACK INTO ENGLISH
My hat is made with the Wildcats.
INTO JAPANESE
私の帽子は、山猫で作られています。
BACK INTO ENGLISH
My hat is made with the Wildcats.
That didn't even make that much sense in English.