Stainless Steel Material and Open Top: Kirecoo cat litter box is made from high-quality stainless steel. Unlike plastic litter box, this litter pan delivers good performance and sturdy. Large stainless steel litter box xl is proof against scratches and dents during use and do not absorb or retain stinky smell. The open-top design of the large top entry litter box is ideal for cats that may feel too anxious to enter an enclosed litter box, as well as for those who prefer open air of an space. Large Size, High Sides: Kirecoo big cat litter pan measuring 23.6" x 15.8" x 6", provides a spacious interior allowing cats to comfortably finish their private activities. With 6 inch tall sides, the extra large box effectively contains litter, reducing spillage and making it accessible for big cats.