Toiletries for Cats: System Toilet Effectively 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 generate ammonia from urine. Antibacterial test results by a third-party organization. Does not suppress all bacteria. Formulated with deodorizing microcapsules for powerful odor elimination. The white sheet surface makes it easy to see and check the color of the urine.