rubber band

I bundle the pencils with a rubber band.

私は鉛筆を輪状の留め具で束ねます

I bundle the pencils with a rubber band today.

私は今日鉛筆を輪状の留め具で束ねます

I bundle the pencils with a rubber band after the lesson today.

私は今日授業の後に鉛筆を輪状の留め具で束ねます

I bundle the pencils with a rubber band in the classroom after the lesson today.

私は今日授業の後に教室で鉛筆を輪状の留め具で束ねます

I bundle the pencils by color with a rubber band in the classroom after the lesson today.

私は今日授業の後に教室で鉛筆を色別に輪状の留め具で束ねます