Specification AgeRangeDescription : adult Brand : SAFEBUILDER BulletPoint1 : 【Comfortable Fit】: SAFEBUILDER R1 Ear Muffs is Lightweight And Comfortable to Fit with for whole Day Work,The Ear Cup Linging is Made of Soft Foam,The Outer is ABS material,Use together With A Hard Hat. BulletPoint2 : 【Hard Hat Fit】SAFEBUILDER R1 Ear Muffs Works On Fit SAFEBUILDER brand Hard hat the model as : CR06/CR06X/CR08/CR08X/SBD-1P etc,Also If your Hard Hat Dimensions of side holes Length:30mm , Width:5mm , So It Can Fit Your Hard Hats. BulletPoint3 : 【Humanized Design】SAFEBUILDER R1 Earmuffs with Adjustable Steel Leg(Range 0-4.3cm) to Fit well For your Head. BulletPoint4 : 【Certificates Approved】: SAFEBUILDER R1 Ear Protector Approved by ANSI S3.19-1974-NRR:24dB , EN 352-3-SNR:29dB BulletPoint5 : 【Why Choose SAFEBUILDER】:SAFEBUILDER is An America Personal Protective Equipment brand, Professional work into the Full Sets Head Protection & Footwear & Uniform & Hands Protection etc. What we do is Creating the New creative design & More Usefull & Quality Safety Products for workers ,Help You and your Company build up A Safety WORK System so company get a bright future without injured. Color : Green R1 Ear Muffs Only Department : unisex-adult ImportDesignation : Imported ItemName : SAFEBUILDER Forestry Safety Helmet with Build in Visor and Mesh Face Shield and Ear Muffs 4 in 1 Forestry Hard Hat Chainsaw Work Helmet ANSI Z89.1 (Green R1 Ear Muffs Only) ItemPackageDimensions_Height : 5 inches ItemPackageDimensions_Length : 7 inches ItemPackageDimensions_Width : 4 inches ItemPackageQuantity : 1 ItemTypeKeyword : protective-face-shields Manufacturer : SAFEBUILDER Material : Acrylonitrile Butadiene Styrene (ABS) ModelName : R1 Ear Muffs Helmet Type ModelNumber : R1 NoiseAttenuation : 24.0 decibels NoiseControl : sound_isolation NumberOfItems : 1 Pattern : Solid ProductDescription : Ear Muffs For Industrial Helmet Accessories Size : 53-63 cm / 20.87-24.8 Inch Style : Helmet Type Earmuffs SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1