Bark Potty is made of real bark and contains natural smells that compel dogs to "go." The tray is lined to prevent leaks, the proprietary bark naturally neutralizes odors, and one Potty replaces up to sixty pee pads. It's the eco-friendly potty pad that's better by design. - Replaces up to 60 pee pads - Lasts up to a month - All natural and recyclable - Easy-to-use and easy-to-train - Naturally neutralizes odor