This is a case sale of 24 sets of "Lion System Toilet Hinoki Odor-Absorbing Sheets 12 sheets per pack," which were discontinued several years ago. Features: * Double the power of natural, domestically-produced hinoki cypress and copper-based deodorizing and antibacterial agents. * Each sheet deodorizes for approximately one week, keeping your room comfortable. * With water-repellent edges, it can be used with both sheet-type and mat-type trays. * You can hold the edges, so your hands won't get dirty when changing the sheet. Compatible with both Deotile and Nyan-tomo systems. ● Product Size Details * Outer dimensions: Approximately 43cm x 33cm * Absorbent area: Approximately 39cm x 25cm ● Compatible Tray Sizes * Length: Approximately 39cm to 41cm * Width: Approximately 25cm to 30cm The cardboard box used for shipping can be used as a play area for cats, as it is the same size as the Nyan-tomo system toilet with a roof.