Purina Tidy Cats LightWeight 4-in-1 Strength Clumping Cat Litter One (1) 6 lb. Jug - Purina Tidy Cats LightWeight 4-in-1 Strength Clumping Dust Free Cat Litter 100% dust-free formula Controls ammonia, fecal and urine smells Lightweight formula is 50% lighter than the leading clumping litter Tight, strong clumps for easy scooping