Feature: 1. Special Sound Filter: The earbuds come with sound filters designed to reduce ambient background noise without fully blocking the ears, allowing users to still hear important sounds such as alarm clocks. 2. Two-Layer Umbrella Structure: The earplug features a two-layer umbrella design that helps attenuate sound wave impact on the eardrum twice, offering improved fit within the ear canal. This design accommodates various ear canal sizes. 3. Soft and Comfortable: Made from hypoallergenic silicone material, the earplugs are extremely soft and comfortable. Each pair weighs only 1.6 grams, minimizing pressure on the ear canal and suitable for extended wear. 4. Reusable: The silicone material is water-resistant, allowing the earplugs to be washed, dried, and reused. This provides a hygienic and convenient solution with long-term durability. 5. Portable Storage Box: Each pair includes a compact storage box for easy portability. The box has ventilation holes on both sides of the folding lid, allowing the earplugs to remain dry and well-ventilated after cleaning. Specification: Item Type: Sleeping Ear Plugs Material: Silicone Product Size: Approx. Earplug Length: 20mm / 0.8in Weight: Approx. 48g / 1.7oz Package List: 1 x User Manual 1 x Earplugs Wearing Aid 1 x Pair Earplugs 2 x White Filters 1 x Storage Box