Thank you for viewing! Product materials: Cat collar: Silicone rubber, Feather toy: Metal, Natural feathers. (The silicone type feather tips cannot be replaced.) Does your cat jump into your field of vision and bother you when you're reading a book, playing on your phone, or working? Put the toy on your ankle and easily play with your cat, and continue doing what you want to do! [Attach the toy to the cat's neck] The cat toy has a spring-type support, so it sways irregularly, attracting the cat and allowing it to play alone. The more cats in the house, the better the effect. The collar is made of silicone rubber material and is soft and comfortable even when worn on a person's foot or a cat's neck. [Note: Do not use this toy barefoot to avoid unnecessary scratches and bites.] Cat toy, cat toy with collar, cat play, solo play, exercise deficiency, stress relief, cat's favorite teaser toy, toy, natural bird feather rod with bell, playful cat, cat supplies 31-20