Trusted - The choice of NPR, Metallica, Red Bull, Google, Berklee College of Music, Lollapalooza, and more. What’s Included: Aluminum case. 1 Pro Filter set of your choice includes 3 Pro filters - 16dB (Low to Medium reduction) or 19dB (Medium to High reduction). 6 Pro Contour earplugs. 3 Small and 3 Medium tips. Everyday Carry - Be ready for anything. Noise reducing earplugs - perfect for any loud environment such as concerts, festivals, bars, sporting events, travel, and commuting. Patented Comfort - Patented Contour Earplugs features enhanced comfort and design - made of ultra-soft hypoallergenic silicone for a natural fit. Discreet profile. Reusable earplugs. Enhanced Experience: Tuned acoustic filter technology functions as a primary eardrum; absorbing the sound and precisely replicating it for an enhanced audio experience. High Fidelity hearing protection.