“These are a most have if you have lazy peer-ers. They slide on easy and stop my cat from missing the box. Only complaint is that they don’t seem to ah e the same waxy covering as the litter boxes and so they absorb pee after a while. Maybe they do and it breaks down? I replaced my first set after about a year so they do last. Also, watch the video for putting them together. The first time it’s like a puzzle but after that it’s pretty easy.”
