Protect baby’s hearing with WhispEars from KidCo. According to the Children’s Hearing Institute noises louder than 80 decibles can cause hearing damage to children. From restaurant noise to jet airplanes, WhispEars will quiet your child’s world and reduce the danger of hearing loss. Easily adjustable for a comfortable fit. Depending on head size, they will fit babies and children up to 8-10 years of age.