Stayfree Overnight pads feature: - Unique Night-Guard Zone designed to help block leaks from side to side, and front to back too - Anti-leak core locks in fluid and helps keep you drier - Trust Stayfree Overnight pads to keep you protected while you sleep so you're free to move throughout the night. So, go ahead, enjoy a good night's sleep knowing the absorbency of Stayfree pads are on your side.