Features: 1.SHAKING AND SOUNDING: Cat sisal ball is equipped with rattling stones inside, shaking with a rustling sound, bringing a lot of fun to cats. 2.SISAL MATERIAL: Sisal cat scratching ball is made of twisted sisal, which is tough, fun to sharpen claws, and can be used for a long time. 3.PERFECT FOR CATS: Cat sisal ball toy can be used as a training tool for cats and can also satisfy their natural hobby of moving around. 4.EXERCISE YOUR CAT'S CLAWS: Interactive cat sisal ball is non toxic and helps your pet play in a healthier way and helps exercise your cat's claws. 5.RELIEVE BOREDOM: Kitten sisal ball will drain your cat's energy and reduce damage to your furniture, allowing you to have a good night's sleep. Specification: Item Type: Cat Sisal Ball_x000D_ Material: Sisal, Plastic, Rattling Stone_x000D_ Product Size: Diameter: Approx. 10cm/3.9in PackageList: 1 x_x000D_ _x000D_ CatSisalBall Note Please allow some error due to manual measurement.