Keep your cats litter off your floors with these Van Ness Trackless Cat Litter Mat Tiles! Each package contains four tiles that are designed with a patented Quick Lock Technology, which allows you to place them any way you want! You can even purchase additional tiles separately to cover more ground. And you can have peace of mind knowing that they are made from USFDA Safe for Pets verifiable and traceable material. Each pack contains 4 Trackless Litter Mat Tiles.. Contains litter scatter.. Suitable for all cat pans: all sizes, all types.. New patented Quick Lock technology allows customers to arrange the tiles according to entry/exit habits of their cat.. 100% Made in USA with US FDA approved plastic..