This is sleeping earmuff for baby, which is made of premium and durable material for comfortable wear. Designed for baby, toddler, children, students and so on. It is lightweight and portable for use. Suitable to be used at home, in the plane, park, outdoor, camping or hotel. Features -Color: Black -Material: ABS -Size: 20.00X13.50X10.00cm/7.86X5.31X3.93 in. -Noise reduction rate: 28 - Provide your baby and kids a peace sleeping and learning time, also help to absorb the sound. - noise at any time of the day, comfortable for touching and can fit for many head sizes. - The creative and practical internal space ensures there is reduce the pressure on your baby's ears. - This noise cancelling headphone have been designed for your baby’s ears, perfect for your baby to sleep with it. - Suitable for live concerts, sporting events, shows and even airplane rides. Package list: 1 x soundproof earmuff