HUARUI Noise Cancelling Ear Muffs, Adjustable Shooting Ear Muffs,Shooters Ear Protection Safety Ear Muffs, Lightweight

Color: BlackFeatures: 21NRR noise reduction in an ultra lightweight headset Designed to mount on most hard hats. Cup pads are soft and comfortable,Strong stainless steel wire ensure strength and durability. Ideal for construction site and factory to protect hearing. Points for Usage: Check cushions for damage regularly. Once the cushions became hard or damaged should be replaced immediately. Make sure to get as little hair as possible between the ear cushion and the head. Only the earmuff surface can be cleaned. Clean with neutral soap and warm water, please Do not submerge in water Specification：Material: ABS Package Weight: 275g /9. 7oz PackageSize:14. 8*10*13. 3cm/5. 82*3. 93*5. 23inch.