This product is designed by ourselves. The toy's track can be rotated under the external force of the cat. The cat- teasing ball in the track will move around to attract the cats attention as this toy rotating. The exterior of this toy is designed with column-shaped protrusions in different heights and sizes, which can be used to rub hair or face of the cat. The toy is fixed by suction cups on both sides, and it can also be used as a cat climbing frame. Material: ABS Chi Mei Taiwan+TPRU.S. Kraton+Toner U.S. BASF Weight: 17.64 OZ Color: Yellow Product Size: 21.1*5.75*4.41 IN Carton size: 19.68*3.15*3.15 IN Package: 25.59*17.72*22.83 IN Packing Quantity: 40 PCS