JUNIOR children's ear muffs, with headpiece, SNR 27 dB, black/yellow. Supplied = assembled. Product type = ear muffs. SNR value = 27 dB (A) Conforms to = EN 352-1. Average insulation level = 26 dB (A) Type of hearing protection = passive. Colour = black, yellow. Weight = 0.22 kg. Protects small ears from noise during factory tours, concerts, etc. Suitable for head widths up to 145 mm (size approx. S/M) High wear comfort due to padded headpiece and soft ear muff pads. Easy length adjustment for perfect wear position. Only 167 g in weight. Effective protection from noise for small children's heads. The shorter headpiece for up to 145 mm is more or less equivalent to head widths S/M. Ear muffs made of ABS plastic. Suspension made of steel/ABS. Seal pads made of polyethylene. Foam inserts PVC/PU. SNR 29 dB, H = 34 dB, M = 26 dB, L = 18 dB. EN 352-1. We recommend replacing the seal pads after approx. 6 months.