AXIL XP Defender Earplugs Blue Medium & Large Included. The Axil XP Defender Earplugs are the most innovative earplugs on the market today. Simply insert these little ear plugs in your ear then decide which mode you want to be in: First leave the valve open - youll hear sound clearly and naturally. Then when loud sounds hit your ears the Dynamic Mesh Filtering System will automatically screen those sounds out protecting your hearing. Second simply close the valve for total hearing protection. Note:Earplugs should be inserted at least 1 inch away from the top of the ear. Small tip may cause hyper-excessive irritation (redness itchiness or discomfort) due to excessive use. For a great way to make sure you are wearing appropriate hearing protection choose the AXIL XP Defender Earplugs. Specifications for AXIL XP Defender Earplugs: Manufacturer: AXIL NRR: 16 - 33 dB Quantity: 1 Pair Size: One Size Fabric/Material: ABS Features of AXIL XP Defender Earplugs Toggle Switch Allows You to Go to an Open Position to Hear And Protect at the Same Time or Switch to a Closed Position For Full Hearing Protection. Hear Normal Sounds While Protecting Against Loud Sounds. Blue Color 16 dB SNR Against Normal Sounds In Open Position. 21 dB SNR Against Normal Sounds In Closed Position. 33 dB SNR Against Damaging Impulse Sounds. Protective Tips are Made With Medical Non-Allergenic Ultra Soft EVA Material. Filter Casing is Made With ABS Medical Grade Non-Allergenic Material. Tips are Washable and Reusable. Package Contents: AXIL XP Defender Earplugs Aluminum Keychain Case Lanyard (Optional through AXIL) Small & X-Large Sizes Available (through AXIL) The Axil XP Defender Earplugs is a quality addition to the AXIL lineup. For more great deals on Ear Plugs by AXIL please browse our AXIL Hearing Protection page. AXIL XPD-BM/L: XP Defender Earplugs Blue Medium & Large Included