Lightweight and robust ear defender providing cost-effective protection. Durable high - impact polystyrene. Fully approved against high noise levels during woodwork machinery operation, metalworking, drilling, etc. SNR rating 26dB. Conforms to EN 352-1 Specifications Features and Benefits • Lightweight and robust ear defender providing cost-effective protection • Durable high-impact polystyrene • Fully approved against high noise levels during woodwork machinery operation, metalworking, drilling, etc • SNR Rating 26dB Contents 1 x Ear Defenders