Feature:1. EFFICIENT NOISE REDUCTION: Designed specifically for children with sensory problems and requiring additional hearing protection. The NRR is 22dB, which means the ear muffs can reduce enough noise levels so that your child is not disturbed.2. LIGHTWEIGHT AND COMFORTABLE: Lightweight enough to not compress the child's head. The earplugs are made of thick sound insulation foam, with thick interior and lasting comfort.3. ADJUSTABLE AND SAFE: The size of children's earmuffs can be adjusted. This children's earmuff is made of ABS plastic that is safe for baby skin, and the entire earphone does not contain any metal components.4. APPLICABLE SCENARIO: This pair of earmuffs is suitable for watching fireworks, aviation performances, concerts, and sports without being affected by high noise.5. WITH A STORAGE BAG: This earmuffs come with a storage bag, which can well defend and help carrying the ear muffs, very practical!Specification:Item Type: EarmuffsMaterial: ABS, SpongeSuitable: Recommended for ages 3 to 12;Applications: Sports events, concerts, renovation of buildings, car speakers, learning, sleep, etc..Package List:1 x Earmuffs1 x Storage Bag