Feature: 1. 25 To 33dB Noise Reduction: This earplug provides up to 25 to 33dB of noise reduction, which effectively reduces noise while maintaining the clarity and definition of the sound you want to hear. 2. Ergonomic Design: This earplug is ergonomically designed to fit perfectly in the ear canal in 360 degrees, allowing you to experience hours of comfortable, painless wear without discomfort or fatigue. 3. Multifunctional: This earplug is multifunctional and protects your eardrums and hearing from high noises, which is perfect for when you need to get a good night's sleep or focus on your work at night. 4. Excellent Nano Silicone Material: This earplug is made of excellent quality nano silicone material with excellent elasticity, even after long time use, you can pull and twist them as you like without worrying about deformation. 5. Easy To Carry: This earplug is small, lightweight and comes with a compact storage case that fits easily in your pocket or purse. Specification: Item Type: Earplugs Material: Nano Silicone Use: Sleeping Aid And Noise Reduction Performance: Waterproof, Washable Big Ear Cap: L, Small Ear Cap: S. Package List: 1 x Earplug2 x Replacement Earplug