I won this in a campaign, but it doesn't fit my dog's pen, so I'm selling it. I will ship it with the shipping label directly on the outer box. This is a wide-size deodorizing toilet system that doesn't require changing for 3 days. ● Brand: Unicharm ● Product Name: Deo Sheet Deodorizing Lab Toilet System ● Size: Wide ● Set Contents: 1 dedicated toilet unit, 2 antibacterial dry filters, 4 highly absorbent deodorizing mats, and a How-to-Use BOOK ● Toilet Size: Approximately W660 x D480 x H45mm ● Recommended Dog Weight: Up to 10kg ● Material/Composition: [Dog Indoor Toilet] Polypropylene, Polystyrene [Dog Indoor Toilet Filter] Urethane foam (using inorganic antibacterial agent), hydrophilic agent [Dog Indoor Toilet Sheet] Pulp, super absorbent polymer, polyethylene film, absorbent paper, hot melt adhesive, fragrance-infused deodorizing microcapsules Material: Indoor toilet/polypropylene ● Product Description ・This dog toilet system uses a two-layer structure of an antibacterial dry filter and a highly absorbent, deodorizing mat, allowing for 3 days of use without changing. ・The mat only needs to be changed every 3 days, and the filter only needs to be changed once a week.