litter pearls litter pearls litter pearls litter pearls litter pearls litter pearls litter pearls litter pearls micro crystals4. 76 kg The 4. 76 kg is a user friendly cat litter made of silica gel. This material ensures that urine is immediately absorbed, keeping the crystals and therefore the contents of the litter box always dry to the touch. This also absorbs all odors, significantly reducing odors in your home. Moreover, the material is gentle on paws and 99% dust free. A safe cat litter that's pleasant to use for both cats and humans! Cat litter made of silica gel High