This Wee Wee Premium Patch Pet Potty gives your dog a clean convenient and comfortable potty that is perfect for indoor or outdoor use. From puppy potty training to offering your adult dog a dedicated place to go when youre not home this dog potty patch is ideal for a variety of scenarios. The Premium Patch is designed with Easy Clean Home Technology so theres no need to worry about leaks or messes. Just place a standard size Wee Wee Pad or Premium Patch Washable Pad in the dog potty tray for a seamless fit and let our absorptive Leak Guard System shield and protect floors. When its time to clean up the Premium Patchs non stick surface will make the task easier than ever This pet potty patch also includes an optional quick dry grass mat to give your dog the feel of lush grass under their paws. The Perfect Potty Designed for every kind of dog this dog potty system can be used both indoors and outdoors and is ideal for housebreaking training senior dogs and travel Antimicrobial Protection This potty for dogs features antimicrobial protection that inhibits odors caused by bacteria while odor control technology prevents odors from absorbing into plastics Feels Like Real Grass This clean and comfortable potty comes with a quick dry grass mat that gives your dog the natural feel of lush grass under their paws Seamlessly Fits Wee Wee Pads Add a standard size Wee Wee Pad or Premium Patch Washable Pad for added protection and easy cleanup Expandable System Add the Expansion Kit sold separately to this Premium Patch Pet Potty to create a larger dog potty area The Premium Patch Pet Potty is 24.5 inches by 25.7 inches and recommended for dogs up to 50 pounds.