BANZ Banz Noise Reduction Earmuffs Geo for Babies (0-2 years old) Approximately 200g I bought these because my baby would wake up from loud noises when sleeping outside. If I put them on after they fall asleep, they won't notice. Size is adjustable. Used about 3 times, with no noticeable stains or scratches. Achieves an industry-leading noise reduction rating of NRR 31dB. Lightweight design, weighing less than 198g, for a soft fit. - BANZ baby noise reduction earmuffs effectively cut out harmful loud noises without blocking necessary ambient sounds, protecting your child from hearing loss and noise-induced hearing loss. - Complies with US and European safety standards for noise reduction devices. - Stylish design and coloring, a product from the global brand BAZN, a world-renowned manufacturer of children's safety products, loved by celebrities' children around the world. - Stretchy, lightweight, and with soft padding for an excellent fit. - Noise Reduction Rating (NRR): 31dB - Average Attenuation: 500Hz 25.7dB, 1000Hz 35.2dB - Complies with US noise reduction device safety standard ANSI S3.19 - Complies with European noise reduction device safety standard EN352-1:1993 Certified to European and American safety standards. Celebrity-loved brand. For auditory sensitivity and noise protection. Ear protectors.