Boxiecat Glo™ Natural Attractions™ Clumping Clay LitterA proactive litter box solution featuring 30 day odor control and Glo UV crystals that guide cats to the litter box. Finally, a litter made for cats. Our line of proactive Glo litter solutions help cats find their way to the litter box using proprietary Glo Light Attractant UV sparkles only cats can see. Creating healthy litter box habits for your cat has a lot of potential benefits, such as: Help with house soiling and FLUTD prevention Reduced