All Season: Rubber construction decreases weathering and ensures a long lasting product Heavy Duty: This high quality PVC constructed multipurpose pet training tray is engineered to withstand heavy weather conditions, shoe scraping, or anything your pet has to throw at it Conditions pets: train your pet well with the artificial grass, coniditioning them to only go potty outside Multi-Purpose/Practical: Replace the pee pad and place it on the existing tray, where at the end of training, each can be separately repurposed for shoes, pets, pet feeding, gardening, plants, painting, tools, and anything else that may leave a mess Convenient/Easy Maintenance: Portable, weatherproof, and waterproof. The 1 inch pile height to prevent spills when utilizing the tray on its own. Wash away the dirt with your garden hose and let it dry.