This adjustable infant headphones noise cancelling for babies 0-36 months has a comfortable elastic headband and a regular headband, which are adjustable to fit babies of different head circumferences
[Material and Safety] This baby earmuff is made of ABS and silicone, both of which are non-toxic and non-allergenic materials. It is filled with sound insulation foam inside to effectively absorb and isolate noise.
[Effective Noise Reduction] Infants' hearing is more sensitive than adults. This BEBOAN newborn ear protection not only protects babies' hearing, but also keeps them comfortable in noisy environments