SCRATCH AND BITE RESISTANT: Made of premium sisal material, it is sturdy and durable, withstands the cat's scratching and biting and is not easy to be damaged. INTERACTIVE TOYS: Built in sound stones can make interesting sounds to attract cats' attention and increase interactivity. BOREDOM RELIEF: Cats can play by themselves when they are lonely and bored, catching the sisal balls, relieving boredom and stress, and getting high. MULTIFUNCTIONAL TOY: Sisal ball hanging cat toy is not just for playing, but also helps cats exercise and stay active and healthy. SAFETY AND ENVIRONMENTAL FRIENDLY: Made of environmentally friendly material, harmless and nontoxic, so you can feel free to give it to your cat to play. Item Type: Sisal Ball Cat Toy Material: Sisal Ball Diameter: Approx. 4.5cm/1.8in 1 x Sisal Ball Cat Toy All data are measured manually, and there are certain errors in the measurement results.