Designed for protecting your hearing, this noise cancelling headphone protects your ear during . Made of sponge and ABS material for comfortable and durable use. Noise proof headphone with elastic adjustable headband, noise reduction, safety hear protection, comfortably. Features -Color: Sky-blue -Material: ABS, sponge -Size:8.00X7.00X7.00cm/3.14X2.75X2.75in -Noise reduction rate: 22 -SNR:25 - :22 - Specially designed for . Our earmuffs are made of ABS and sponge material, softer and hearing protection. - Reduces the level of noise exposure and helps prevent potential hearing damage, safe and useful. - This noise proof headphone can keep your from outside noises, especially on airplanes or nearby buildings. - Compact size and light in , can be used to guard hearing while flying, watching movies or attending concerts. - The elastic bands of our earmuffs can be easily adjusted to fit the ear, and will not compress the 's head. Package list: 1 x set of earmuffs