【Dog Toilet System】DeoSheet Deodorizing Lab Main Unit Wide (Set of 2) * Toiletries for dogs * Suitable for dogs aged 1 year and older who do not engage in mischief. * Wide size is suitable for dogs under 10 kg. * This dog toilet system has 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 should be replaced every 3 days, and the filter every week. Used for about 5 months, used in two places about half and half. Cleaned thoroughly. Will be packed to prevent scratches as there is no box. Instant purchase OK