3+1Flavors Catnip balls for cats wall have 3 favorite flavours balls for cats, which are "catnip", "insect gall fruit" and "Silvervine", and an energy cat sugar. There are many kinds of flavours that can meet different tastes of cats and stimulate cats' interest in exercise and play at the same time. Safe & Healthy Catnip wall ball are made of natural materials such as catnip, silvervine, and insect gall fruit and cat sugar is made of nutritious isinglass without any additives and preservatives. Plant fiber promotes cats' appetite, helps defecation, promotes gastrointestinal peristalsis, help digestion and excretion of hair ball, supplement various trace elements of cats, which is an ideal gift for cats. Improve Oral Health Catnip roller ball wall are made of cats' favorite flavours, so cats will play and chew on their own without your intervention. Cat nip ball licker will help clean teeth, reduce cat's dental plaque, fresh breath and improve oral hygiene. Rotatable & StickableThe back of catnip wall balls for cats has a double-sided tape design, which can be pasted on smooth surfaces such as glass walls, doors, tiles and more, so that cat toy won't move while cat licking. Catnip ball on wall can rotate 360, which adds more fun to the toy and is easier to attract cat's attention. Dust-Proof Cover Design Each catnip roller ball has a dust-proof cover on it, which can effectively prevent dust pollution and odor penetration, keep cat toy clean and be convenient for cats play next time.