DoggieLawn is a real grass pee pad, hydroponically grown on a sunny farm in California. The hydroponic grass helps minimize odor and allows for easy, hassle free clean up. With DoggieLawn’s fresh potty grass, you get the satisfaction of knowing your dog can “go” when they want--day or night, rain or shine. Our XL Size is ideal for dogs 40 lbs and over, multiple dogs, or dogs who want more space to do their thing! (Grass Patch is 24 x 48 inches) *Grass Only. Tray not included.