SILENTA Kid’s Earmuffs – Adjustable, flexible and durable design: individual fit and protects children’s hearing on the move, the medium-large cups mean that the pressure from the Silenta is evenly distributed, ensuring that your child feels comfortable wearing them. SNR 27 dB / NRR 21 dB. The detailed attenuation values are presented below in the table. They were obtained under laboratory conditions and are for comparison purposes only. The SNR of this product is 27dB (medium) and such environments that require hearing protection are, for example, traffic, domestic appliances and public events. However, the user is responsible for the suitability of the hearing protector for a specific purpose.