PrettyLitter is the World’s Smartest Cat Litter. Absorbent non-clumping crystals trap odor instantly and eliminate moisture, making it ideal for single and multiple-cat households. This revolutionary, lightweight litter changes color to help you monitor your cat's health. It can help detect issues such as urinary tract infections, bladder inflammation, urinary stones, and blood in the urine. PrettyLitter is here to take some of the stress out of cat parenting, so you can focus on what matters most — living a long and happy life . PrettyLitter Health Monitoring Cat Litter, 8lb Odor control without perfumes Single and multi-cat strength 99% Dust- Long-lasting One bag of PrettyLitter = two month supply of litter Changes color to monitor health Ultra lightweight No messy clumps, just the poop!