Built-In Attractant: Our training pads are equipped with a 3-in-1 attractant to entice, engage, and finally encourage your puppy or dog to use the pad. For extra protection, use with Simple Solution Training Pad Holder. Color Wetness Indicator: You will always know when the pad has been used with the built-in wetness indicator. When the pad turns teal, it’s time to change. Unique InstaShield Technology: Equipped with our exclusive InstaShield Technology that holds up to 6 (Extra large pads up to 7 cups) cups of liquid and neutralizes unpleasant pet odors.