Material: for the cat OK, could be a bit softer, similar to the memory foam / foam. For all other hard plastic mats, most cats jump over anyway - so is virtually no restraining effect on the other.
Below could even more anti-slip material off / on it (as in the Car Trunk mats). The slips etc. on tiles namely like to get away / towards + her and you have to necessarily put something under the litter box. For large / heavy litter but that's no fun. In addition, the mat will slide by underneath, even smaller / shorter
Priced completely covered
The color may be white / beige, like the colors of most cat litters halt. Then the mat was not the same dusty / dirty act
The form is very improvable / optimized. Although pretty / cute to look for the people, but fully functional disabled. In the photos it looks as if the mat is formed only for small standard Klos. But we have XXL Klos (not only Maine Coon cats have like a little space; o)). The form would have to go towards U-shape, so also quiet 20 cm left / right and forward as about 60 cm, so that the cat also guarantees somehow / somewhere to get past it can not dive and is forced to run over it; o). In square shape it would be better to evacuate (square can bend better and the toilet back carry as so round stuff). A page should be closed so that when rumhantieren not yet falls out always something. But it can be if it is clamped Unters loo or you plan placing one foot, suck well.
The mat is about 51x55 without ears.
Have then written to the producer and instantly get an answer. That's what I call service: o). This mat is also available in large and rectangular and in beige - as desired. There were also immediately set in which Amazon, see: BlackHole Cat Litter Mat - Supersize Rectangular. Although apparently come from South Korea, it was there within a few days ...