Cyber Acoustics Professional Safety Heavy Duty Ear Muffs for Hearing Protection and Noise Reduction for Air Traffic Ground Support, Construction Work, Hunting/Shooting Ranges, and more (ACS-310) - Amazon.com
ISOtunes AIR DEFENDER Bluetooth Earmuff Hearing Protector, 24 dB Noise Reduction Rating, OSHA Compliant Ear Protection Headphones IT-46 - The Home Depot
Allen Company Youth Sound Shield Foldable Safety Earmuffs, 21 dB NRR, ANSI S3.19 & CE EN352-1 Hearing Protection Rated, Black/Chartreuse