Pros:

• 100% natural crushed walnut shells
• Eco-friendly
• Good clumping strength (after ~30 mins)
• Lightweight
• Sifts well
• Easy scooping in Boxscoop (kids can do it)
• Low litter tracking
• Chemical free and healthy for cats!

Cons:

• Can be a little bit dusty
• We don't recommend for pure white cats- the walnut color may get on their paws.

Different brands with links:

Australia: Applaws nature's calling walnut

CA/US: Naturally Fresh Walnut (red multi-cat bag is best)

EU/UK: Applaws nature's calling walnut