●304 Stainless Steel Shelf Keeps Dogs Away from Peculary and Urine ●Mesh spacing is 0.7 inches (18 mm). Urine and feces will easily fall off ●Easy to install, just place the stainless steel shelf in the bottom pot ●Easy to clean PP and stainless steel ●The bottom of the toilet is equipped with a non-slip tape, so your dog will not move easily