The Prevue Pet Products Replacement Turf is compatible with our Tinkle Turf 502 System for large dog breeds. The dog training turf pads create a designated potty area for your pet - great for when going outdoors is not an option. Perfect for use while primary turf is being cleaned/dried, the potty training turf pads for dogs replacement turf is certified lead-free synthetic grass, protected with antimicrobial odor control to help keep your home smelling nice and clean.