Cats are naturally attracted by the wool because of the lanolin smell and wool fiber is naturally odor-resistant.
WASHING INSTRUCTION: Light cleaning: Vacuum clean to remove hair and dust. Stuck-on dirt: Spot clean with a soft cloth or sponge, a mild detergent and warm water. Full wash: Gentle hand wash in warm water using mild detergent. Reshape while damp, and let it dry on a hand towel.