Features: RETRACTABLE SPRINGThe product is a spring with a mouse toy inside. It is retractable, when you press the spring the mouse can make sand sound to draw your cat's attention. STURDY MATERIALThe product is made of stainless steel spring, high hardness and good elasticity, not easy to break. Plush mouse is soft and does not shed hair. FUN TOYSpring mouse can relieve the pet cats anxiety and stress, keeps them from getting bored, enjoy the fun of this toy, so that they will not damage the home, clothes, etc., TRAINING PROPThe spring can roll on the ground, keep cats chasing, helps train their agility. You can play the toy with cat, increase interaction. TRAVEL PORTABLENormal cat toy is about 6-7 x 7cm/2.36-2.76 x 2.76inch(L x W), small and lightweight, portable for outdoor travel, shopping, short trip, etc. Specifications: Color: Random Material: Stainless steel+plush Normal size(L x W): About 6-7 x 7cm/2.36-2.76 x 2.76inch Package Includes: 1pc x Cat toy Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.