have your little one accompanied with our moo moo cow mobile that rattles in different sounds. attract the eye of the young baby with the cookie mirror too! the snap strap allows easy attachment to strollers, baby gyms and handles in the back seat of the car. wooden rings allow an easy grasp by baby too. all fabric + internal fills of our play materials are safety tested to be free of toxins or heavy metals approx: 12 x 3" ring material: natural wood