Ean Code:5425023811528,Presentation:Box,Contents:2 Caps Blox Enjoy Music Reusable Earplugs 1 Pair Are Protections Made Of Extremely Soft Silicone Free Material Designed To Adapt Perfectly To The Ear Canal. They Have An Acoustic Filter To Preserve The Pleasure And Quality Of Listening. Noise Level Reduction: 19 Db. The Box Contains: 2 Caps In Size M And 2 Caps In Size L, 1 Pair Of Acoustic Filter, 1 Aluminum Storage Tube Blox Enjoy Music Reusable Earplugs 1 Pair Are Protections Made Of Extremely Soft Silicone-Free Material Designed To Adapt Perfectly To The Ear Canal. They Have An Acoustic Filter To Preserve The Pleasure And Quality Of Listening. Noise Level Reduction: -19 Db. The Box Contains: 2 Caps In Size M And 2 Caps In Size L, 1 Pair Of Acoustic Filter, 1 Aluminum Storage Tube