Clip On Fans feature soft, baby-safe foam fins and the flexible neck can be adjusted to the right angle to ensure baby gets a breeze. Totally portable and perfect for beach, pool, picnics and parks. Hint to Parents: You may want to hook one to the stroller to keep cool too! May be clipped onto nearly anything including strollers, bassinets, play pens, picnic bench, lawn chairs, beach chairs, treadmills, elliptical, and many more!