Poor quality, avoid!
At first this seemed really good, large enough for my bigger cats and being tall with a lid, no tracking. However just 18 months of use and the tray has cracked in one corner rendering it useless. I have other much older trays that are still in good condition and comparing the two it is obvious that they are good, solid, thick plastic and this is cheap and nasty thin plastic. I certainly will not be replacing it with another of the same make. If you want a tray that will last, don't buy this