Feature: 1. Special Sound Filter: The earbuds come with special sound filters that help reduce ambient background noise without completely blocking your ears, allowing you to still hear important sounds such as alarms. 2. Two Layer Umbrella Structure: The earplug features a two-layer umbrella design, which helps reduce the impact of sound waves on the eardrum twice for better ear canal fit. This design suits people with different 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, significantly reducing pressure on the ear canal and making them suitable for extended wear. 4. Reusable: The silicone material is water-repellent, allowing the earplugs to be reused after washing and drying. They are hygienic, convenient, and designed for long-lasting use. 5. Portable Storage Box: Each pair comes with an individual storage box for easy carrying. The storage box has ventilation holes on both sides of the folding lid, allowing the earplugs to be stored in a dry and well-ventilated environment after washing. Specification: Item Type: Sleeping Ear Plugs Material: Silicone Product Size: Approximate earplug length: 20mm / 0.8in Weight: Approx. 48g / 1.7oz Package List: 1 x User Manual 1 x Earplugs Wearing Aids 1 x Pair Earplugs 2 x White Filter 1 x Storage Box