The Moldex M4 6110 Ear Defenders are lightweight metal earmuffs designed to provide ear protection with an SNR rating of 30dB. The headband design ensures a comfortable fit for long periods of time, making them ideal for use in noisy environments. These ear defenders are a reliable choice for individuals in need of personal protective equipment to safeguard their hearing in various industrial and office settings. The durable construction and trusted brand of Moldex make these ear defenders a valuable investment for those seeking quality ear protection.