Feature： 1. Using the heavy duty keychain earplugs carrying case, which is convenient for travel or to carry and use, you can use the ear plug with confidence 2. The carrying case uses a sturdy metal structure, waterproof gaskets, and a sturdy brass O loop. To keep hearing protection from dust and moisture 3. The silicone earplugs are non toxic, washable and reusable, ensuring daily use. Silicone earplugs fit most ear canals, which is light, soft 4. You can choose the size you need to reduce harmful noise levels while maintaining comfort. And the soft silicone is durable 5. There are many uses, whether it is a music performance, participating in water sports, or working near noisy machines, earplugs can protect your hearing Specification： Item Type：Ear Plug Aluminum Box： Approx. 4.2 x 2.5 x 2.5cm 1.7 x 1.0 x 1.0in Earplugs： Approx. 1.7 x 1.3cm 0.7 x 0.5in Filter： Approx. 2 x 1.5cm 0.8 x 0.6in Material： Aluminum, Liquid Silicone Color： Black Aluminum Box, Red Filter, Transparent Earplugs Product Features： Drummers, DJs, Concerts, Bands, Bars and Various Large Parties. SNR： 27DB NNR： 25DB Efficacy： Hearing Protection. Package List： 1 x Aluminum Box2 x Filter2 x Ear Plug
