Effective Noise ReductionThe Ear plugs are designed for sleeping and noise cancelling, so it can help you fall asleep undisturbed in a peacful environment. The silicone earlugs can reduce noise levels by up to 30dB, providing hearing protection and a peaceful and uninterrupted experience in any noisy environment. Reusable & WaterproofMade of environmentally friendly silicone, the quality is durable enough to make it be reused for years. Its quality is more stable than that made of memory foam.Again, because of the silicone material, it is easy to clean and dries quickly. You can even use it while swimming. Comfortable & Easy to USEMade of ultra-flexible silicone, it can deform to the shape of the ear canal.Therefore it is comfortable to wear. Umbrella-style sound insulation is made of ultra-flexible material for effective noise cancellation. Multi-Purpose As it can reduce noise, they are the great choice for sleeping and blocking out the snoring. It can help you to focus or concentrate while studying, working or reading. In addition, they are a must buy while traveling or commuting. And also it protects your hearing in louder noises. Features2 set Silicone earplugs, Three-layer umbrella noise reduction design and two colours for different matching needs.