Keep neighborhood cats from using your garden as a litter box with Cat Scat, the non-chemical way to say "No Trespassing!". Simply cut each mat into four pieces and place in the area where you want to discourage feline excavation. The flexible plastic spikes are harmless, but effective. Humane, chemical-free pest deterrent Also useful in potted plants Prickly plastic teeth irritate cats without harming them No assembly, no installation Cat Scats can be anchored in place with our Earth Staples Five mats per set Each mat is 8-1/2" x 7" Made of brown, weatherproof plastic Gardener's Supply Exclusive