CALIFONE Panda Hush Buddy Ear Muffs Designed to fit smaller heads than larger adult sized hearing protection, this Hush Buddy is for children who need increased quiet for sensitivity reasons (if they have heightened auditory sensitivities) or just for more focused activities such as reading Each one has comfortable, cushioned earpads that go around, not resting on, the ears to block out the maximum amount of external noise Each Hush Buddy features an industry leading noise reduction rating (NRR) of 27dB, which lets in 24.2 percent less sound than the closest competitive item The padded headband helps distribute the weight of the muffs, making them extremely comfortable even when worn for longer periods of time No assembly required, just put a Hush Buddy on and it's ready to go to work