The sky was filled with barrage balloons during the war.

The comic strip was filled with thought balloons.

The comic strip was filled with colorful speech balloons.

The pilot balloons were released to measure wind direction and speed.

The room was filled with anger balloons.

The sounding balloons were released into the sky to collect atmospheric data.

The fire balloons lit up the night sky.

The noon balloons filled the sky with vibrant colors.

The government often uses trial-balloons to gauge public opinion before making major policy decisions.

The doctor recommended gastric balloons as a weight loss treatment.