These lightweight Scan Ear Defenders with slimline ear cups are ideal for general purpose. The soft and wide PVC ear cushions, combined with the flexible headband with foam padding and adjustable cup height ensure a comfortable fit. Effective in reducing noise levels whilst still allowing the wearer to continue hearing normal conversation. Conform to EN 352-1 2002 standard. SNR 29dB - Single Number Rating (SNR) = the number of decibels reduced by the product.