Pieviev Cat Litter Mat review. 1. Finally, the long-awaited Instant Pieviev Cat Litter Mat has arrived. It took about two days to arrive, and it was delivered in a sturdy paper box in excellent packaging. 2. the Pieviev Cat Litter Mat is about to be released. It looks much better and more durable than I thought. Cats love it, I am very satisfied and i bought it at a low price because the product..
