Browning Hearing Protection for Shooting by Decibullz Custom-Molded Earbuds, 31-Decibel Noise Reduction Rating (NRR), Includes Lanyard and Travel Case : Amazon.co.uk: Sports & Outdoors
Custom Moulded Shooting Ear Plugs - The Hearing Clinic
Decibullz – Custom Mouldable Earplugs, 31 dB Highest NRR, Comfortable Hearing Protection for Work, Swimming, Travel, Heavy Machinery and More : Amazon.co.uk: Health & Personal Care
Custom fit molded ear plugs - Timaru Occupational Health Services