The kids are home safe and sound.
safe and sound
idiomHaving come to no harm, especially after being exposed to danger.
Origin
disputed originConjunction of safe (“not in danger”) and sound (“intact, healthy”). Compare with Old French sauf et sain.
After the storm passed, we found the dog hiding in the shed, safe and sound.
When the rescue team finally reached the stranded hikers at dawn, they were cold and hungry but thankfully safe and sound.