The Matatabi Sticks for Cats are made of 100% natural wood that is harvested at the peak of freshness. They are organic and unprocessed, so they are safe for your cat to chew on. The Matatabi Sticks for Cats cause a similar reaction as catnip, but they are stronger. Your cat will get very excited and exhibit amusing and funny behavior (chewing, rubbing, licking, running, rolling, purring, drooling).