Fasten your seat belt, please. ✬

Please fasten your seat belt. ✬

Fasten your seat belt. ✬

Please fasten your seat belts and prepare for departure. ✬

Fasten the gate. ✬

Fasten your seat belts. ✬

She advised him to fasten his seat belt. ✬

Please fasten your seat belt during takeoff and landing. ✬

Please fasten your seatbelt. ✬

Fasten your seatbelts. ✬