fdmt protective earmuffs are used to protect hearing and reduce noise distractions in a noisy environment. They attenuate loud and harmful sounds without eliminating other ambient sounds. Sound levels are significantly reduced to promote sustained attention and concentration.The expandable headband and pivoting, cushioned ear cups allow for a comfortable fit for both children and adults. Comfortable, durable and foldable, they fit into the included carrying case for hygienic storage and easy transport.Noise reduction of 27dB. Age: 3 years and up. Easy to clean (removable foam cups). Weight: 275g. Approved to European safety standards. Latex free.