Efficient Noise Reduction: the kids noise canceling headphones with 27NRR noise reduction rating as designed with noise dampening sponge, thickening solid cups to keep your children secure from hearing loss, the toddler ear protection is ideal for blocking noise caused in large crowds, airports, construction sites and daily life Adjustable and Comfortable: adjustable headband and 360 rotatable ear cups, the kids ear muffs noise protection is foldable for easy storage and portability, adjustable (just slide the toddler ear protection from the metal string to adjust the size), lightweight and comfortable to suit for almost kids Foldable and and Portable: the kids noise cancelling ear muffs is in light weight and compact size, so you can carry the hearing protection ear muffs easily to reduce noise at any time and anywhere; Besides, the padded headband and soft ear pads are made of PVC and PU, provide a comfortable wearing experience for children Applicable Occasions: the toddler noise cancelling headphones can effectively keep out the noise in the daytime, and can be applied on most occasions, such as concerts, airplanes, music events, cinemas, sporting events, car races, wedding receptions, machinery, airplane port, travel, etc., protecting the baby's hearing