When your pet goes toward the edge of the pad (as they always seem to do) you?ll be happy about the 6-layer construction and InstaShield? technology. Simple Solution Dog Training Pads contain everything, including the odor. The attractant means your dog with find and use the pad. The new wetness indicator means you?ll know they have. WORKING SMARTER - Our 3-in-1 attractant works overtime to entice your pet to approach the pad, engages your pet with the pad, and encourages the pet to use the pad.|KNOW AT A GLANCE - When the pad turns teal, you know it?s time to change the pad. Our wetness indicator does the work and keeps you in the know.|WE HAVE THE TECHNOLOGY - Only Simple Solution pads come with InstaShield? Technology, which allows these dog pads to contain up to 6 cups of liquid while neutralizing unpleasant odors. Protect your floors and your sense of smell.