About this item 😻【LARGE DIAMETER】: The inner diameter of the cat exercise wheel is about 32.28in/82cm, the wheel width is about 12.6in/33cm, and the inner space is spacious. This means that your cat can run freely and comfortably in the cat exercise wheel. Suitable for Bombay, Savannah, British Shorthair, Maine Coon, Bengal, Abyssinian, Burmilla etc. 😻【LOCKING FUNCTION】: We add a locking pin to the cat exercise wheel. When you don’t want your cat to run on the exercise wheel (e.g. when you are resting), you can use the locking pin to prevent the exercise wheel from rotating. 😻【TOTALLY SAFE】: The cat exercise wheel is made of natural solid wood and covered with sturdy carpet, so non-toxic and odorless. The cat exercise wheel is open on both sides, which means your cat can come and go freely, which is very safe for cats . 😻【EASY TO USE】:We have a surprise for your cat, a beautiful hairball and a holder to hang the hairball. Attach the stand to the exercise wheel and your cat will learn to use the exercise wheel in no time! 😻【VERY QUIET】: NBNQ cat wheel is mounted on 8 rollers with roller bearings, the rollers are made of soft rubber, they run smoothly and quietly. This allows your cat to run free!