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 a better fit for the ear canal. Suitable for individuals with different ear canal sizes. 3. Soft and Comfortable: Made from hypoallergenic silicone material, the earplugs are soft and comfortable. Each pair weighs only 1.6 grams, reducing pressure on the ear canal and suitable for extended wear. 4. Reusable: The silicone material offers good water resistance, allowing the earplugs to be washed, dried, and reused. Designed for hygiene and convenience. 5. Portable Storage Box: Each pair includes a compact storage box for easy transport. The box has ventilation holes on both sides of the folding panels, allowing the earplugs to remain ventilated and dry 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