Quality ear defenders, for use in medium-duty industrial and outdoor applications. Soft, wide foam cushions for all-day comfort – ideal for long shifts. · · · Conforms to EN 352-1 · · SNR 27 · · Generously padded, reinforced plastic headband · · Durable Acylonitrile Butadiene Styrene (ABS) cups · · Packed in display bags · · Flexible strap to allow behind-the-head fitting of headband · · Conforms to EN352-1 · · Over the head: H=33 M=25 L=17 SNR=28 · · Behind the head: H=31 M=23 L=16 SNR=26