Nightlock Technology Locks Away Wetness For Up To 12 Hours Of Overnight Protection Super Soft On Baby'S Skin For A Comfy Feel Wetness Indicator (Packaging May Vary) Turns Blue When Wet, Telling You When Your Baby Needs A Change Designed With Larger, Refastenable Tabs For A Secure, Snug Fit Note: The Expiration Date Is For Rewards Not For The Product