The Frasco Pet Litter Box is made of high-quality materials that will last you years. The box is pre-cut to fit most standard size litter boxes, so you don’t have to worry about buying a new one every time your cat needs to go to the bathroom. The box comes with an Activated Carbon Charcoal Filter that will help eliminate unwanted odors for up to 3 months. The box also has a mesh liner that will keep your cat from escaping.