Baby BanZ Noise Protection Ear Muffs, Silver When you take your kid to an event with a lot of noise. Such as a  festival, parade, carnival, (wedding) party, sports events or motor  races. When you take your kid outside on New Years Eve. When you do DIY chores in your house or garden which produce a lot of noise, such as drilling, grinding or cutting grass. When a brother or sister plays music, puts on a show or has a  sports event. Also think about the ears of this brother or sister and  the rest of the family.