Natural and non-toxicOur cat cage balls are made from all natural silvervine sticks, catnip. The cage is hand woven without adhesive,which will not harm your cat's health. Promote Oral & Dental HealthSilvervine sticks lead cats healthy chewing behavior,help cats foster proper chewing behaviors, It also help to cats teeth during chewing, improve oral health and get rid of bad breath, make you and your pet closer. Promote DigestionCat mint contains rich dietary fiber, which can promote gastrointestinal peristalsis and help cats excrete hair balls. If your cats lose interest after playing for some time, you can use a knife to peel off the skin after a period of time to turn It into a brand new silvervine catnip ball, making the balls as appealing as new toys. Soothe Mood Both silvervine and catnip have great appeal to cats,it gets lounging cats up and moving with playful exercise, and makes bored and downhearted cats excited and prevent destructive behavior. Long-lastingOur catnip is specially designed to remain fresh and potent for extended periods, close to the pet's living environment, durable.