Nyan to Clean Toilet Deodorizing & Antibacterial Mat, 12 Count

My daughter's cat no longer needs these because we changed its litter box.
One of them has been opened, but it still contains all 6 sheets as originally packaged.
Product Details
Nyan-tomo Clean Litter Box Deodorizing & Antibacterial Mat
● Main ingredient is natural coniferous wood: Coniferous wood contains components* that suppress odor and bacterial growth. Powerful deodorization and solid antibacterial effect from coniferous wood. *Phytoncides (general term)
● Cuts pungent ammonia odor: Antibacterial effect suppresses bacterial growth, cutting pungent ammonia odor.
● Powerful absorption means no need to replace for 1 week (※1): The thick mat powerfully absorbs a week's worth of urine. (※1) Easy maintenance with replacement once a week.
● Leak-proof even if it lands on the edge! Full absorption layer (※2): The full absorption layer (※2) absorbs from anywhere, so it reliably catches urine without leaving any behind. It's designed to prevent leaks even if the urine lands on the edge.
● Only the soiled side can be replaced, preventing waste: Since two sheets are used side-by-side, even if your cat urinates in the same spot, you can replace only the soiled side, preventing waste.
※1 When used for one cat
※2 The back side may take longer to absorb than the front side. Please use with the front side facing up.