Bovidix 513311 Earmuffs Hearing Protection Provides excellent protection against high frequency noise, NRR 30dB Soft PVC leather ear cushions with sound-attenuating material and hard outer cups Adjustable headband for a great fit. One size complies with EN352-1 fits the majority of wearers Foldable, pocket size for storage and easy carry Multi-purpose: reducing noise level, protecting hearing