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SUPERIOR SOUND REDUCTION - Patented globally recognized design; Individually tested across the entire hearing spectrum; Certified 26 dB SNR 20 dB EPA Noise Reduction Rating, over 33 dB attenuation at 2K Hz PREMIUM MATERIALS - Made with high-grade precision-formed ABS, PVC, POM and stainless steel along with our Vanderfields' patented high density broad-spectrum protective foam polymer ACCLAIMED + VALIDATED - Experience the proven performance of Vanderfields hearing protection; NRR and SNR is transparently provided on every box offering the reassurance of specs that have been thoroughly tested for superior noise defence ENHANCE CONCENTRATION - Children with sensory issues or autism are sensitive to environmental noises; These ear muffs for noise reduction, suitable for ages 3 to 12 years old; Provide them with noise cancelling ear muffs for kids to diminish distressing sounds and support their comfort VERSATILE USABILITY - The headband is adjustable, so the fit is always suitable; Secure fit is crucial for kids noise cancelling headphones protection; If too tight, expand them on an object for 2-4 hours to loosen; Padded headbands and cups provide worry-free use in diverse settings