30-Day Odor Control with Crystals: Advanced Glo crystals absorb moisture and control odors for up to 30 days, providing long-lasting freshness while making maintenance easy for cat owners. Proactive Glo Light Attractant: Features UV sparkles only visible to cats and kittens, guiding them to the litter box and supporting healthy litter habits, which can help prevent house-soiling and reduce stress. FLUTD & Behavioral Support: Designed to reduce litter box stress and prevent litter box aversion, Glo crystals help with feline lower urinary tract disease (FLUTD) prevention and promote consistent litter box use. Soft, Comfortable Crystal Granules: Engineered to mimic North African desert sands, the Glo crystal granules offer a natural feel that cats love to dig in, promoting a more comfortable and calming litter box experience. Multi-Sensory Attraction: sight, smell, and touch to attract kitties to the litter box. This approach mimics natural behaviors, encouraging natural behaviors and consistent litter box use. Fill disinfected litter box with 3 inches of litter, scoop daily. For best odor prevention, maintain 3 inches of litter. Replace all used litter with fresh litter once a month. Dispose in trash, do not flush down toilets or drains. Boxie is landfill friendly. Not for internal use. Not meant for use as compost or as a traction aid. Store in a cool, dry place. Product filled by weight; some settling may occur. We recommend introducing any crystal litter to kittens after 2 months of age.