Product Name: Double Open Cat Litter Category: Cleaning Supplies Material: PP material : Photo Color Specifications: M: 43CMX33CMX15CM (4.5 * 12 * 12 inches) Weight: 1014g product manual:Oversized litter, the largest cat can be used without having to worry about not having good stuff Oh, the goods for wood sand Two suits covered, remove the inner mesh box to use crystal cat litter cat litter or soil . Replace the litter, do not worry about replacing litter box 1.use with the double basin pine cat litter , it would be more economical and health 2. Pine cat litter is placed on top of a double layer of litter, cat pee then the urine to the local pine cat litter will be absorb and then be expanded. 3. wait for sucking enough water, the expansion to a certain extent, it will pine cat litter, Pine sawdust into a drain to the floor below. 4. don t not absorbing enough water to remain in the sand above the basin. Here we can be disposed of it. 5. If it is after the cat poo, we stick to the pine cat litter shovel to clean out directly .