The choice of cat litter trays depends on the size of the cat. Litter trays with low sides should be chosen for kittens, while for large cat breeds as well as for adult cats, it is better to opt for litter trays with high sides. Apart from the ideal size, the tray's location is also important, so it should be put in a quiet place, which your cat can easily access anytime. The litter in cat’s trays requires full replacement at least 2 times a week, while the box itself should be thoroughly washed out. It is also additionally recommended to disinfect the litter tray itself and the place of its location.