Dog Grass Large Potty Patch, Dog Litter Boxes Artificial Dog Grass Bathroom Turf for Pet Training, Washable Puppy Pee Pad, Perfect Indoor/Outdoor Portable Potty Pet Loo (Tray System-35"X22.6"). LARGE DOG LITTER BOXES (35"X22.6"): The triple-layered design has artificial grass + washable pee pads + big tray, the artificial turf placed on-top of a tray, with a durable base which collects and separates urine making cleaning and regular use very easy.
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