The product complies with the European Directive 89/686, notably regarding ergonomics, innocuousness, comfort and with standards :
EAR DEFENDER FOR SAFETY HELMET – SNR = 27 dB
Ear defenders for safety helmets. Adjustable in height. High flexibility ABS arms and cups. Cups padded with synthetic foam. Can be used on their own or with «VISOR HOLDER» faceshield holder. Suitable for GRANITE, SUPER QUARTZ, QUARTZ, ZIRCON and BASEBALL DIAMOND safety helmets.
Cup & headband: ABS
Cushion: Foam & PVC