Toiletries for cats: System toilet This system toilet absorbs a week's worth of urine and the antibacterial agent strongly suppresses odors*1. *1 When used by one cat (up to 8kg). Please remove feces quickly. Contains silver ions. 99.9% suppression of odor-causing bacteria*2. *2 Odor-causing bacteria are bacteria that easily produce ammonia from urine. Antibacterial test results by a third-party organization. Does not suppress all bacteria. Formulated with deodorizing microcapsules for powerful deodorization. The white sheet surface makes it easy to see and check the color of the urine.