Ergonomic Design: These earplugs are designed to perfectly match the contours of your ear canal, providing a secure and comfortable fit without pressure or pain. The funnel-shaped design ensures they stay securely in place, even while you toss and turn during sleep. Superior Noise Reduction: With a double-ring sound-insulating design, these earplugs effectively block out a wide range of unwanted sounds, creating a peaceful and quiet environment for sleep, study, or relaxation. Long-lasting Comfort: Made from soft, medical-grade silicone, these earplugs are gentle on your ears and can be worn comfortably for extended periods without causing discomfort or irritation. Specifications: Size: Length: 2.1cm Width: 1.6cm Height: 1.5cm Material: Silicone Package Includes: Earplugs x1 Ear Tips x4 (2 pairs) Storage Box x1 Features: Ergonomic funnel-shaped design for a secure and comfortable fit. Double-ring sound-insulating design effectively reduces ambient noise. Made from soft, medical-grade silicone for long-lasting comfort. Includes a convenient storage box and multiple ear tip sizes.