You just take the solid waste from the kitty litter and you have a clean box for your pet to use again. The urine smell will also be trapped inside and this way you will have a house that never smells like animal urine. Another benefit you get is the fact that your job to clean the box is way easier.
https://danielratcliffe.jigsy.com/entries/general/are-cat-litter-crystals-a-safe-option-to-choose-for-your-kitten-