Automatic rotation stimulation: Rotate upon touch to simulate mouse escape and stimulate cats' hunting instincts. Safe and quiet design: low decibel operation, no noise during late night play, rounded corners that do not harm cat paws. Durable and bite resistant material: Designed with ABS material, it is resistant to and biting without breaking, and even violent cats can play for more than six months. Self care and worry free model: No need for interaction with the owner, just a gentle touch can activate it automatically, making it a great tool for office workers to stay at home and relieve boredom for their cats. Cost effective cat toys: an affordable choice that is more durable than electric mice. Color: as shown in the picture Material: ABS Size: Approximately 25 * 7cm Notice: 1.Please allow 2-3% error due to manual measurement.Please make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!