This product is available in three colors, please purchase according to your personal preferenceeffectively. Catnip not only makes kittens happy but helps excreting hairballs. The cat treat balls include catnip, gall fruit, sticky rice and enriched silvervine The cat ball toys are made from 100% natural and organic plant extracts, totally safe and edible for cats without any additives We design the catnip toys for Pig nose shape so that the kittens could lick evenly with ease. The self-adhesive design makes it durable to use Could be stick to the smooth surface easily with strong double-sided adhesive on the back, such as glass wall, door, window and tile except some stucco surfaces. Make sure that press hard enough to stick firmly to the surface in case of falling off The cat balls could help your cat get rid of the calculus and plaque, refresh the teeth and improve oral health