Features:Customizable Fit: The unique push-to-fit design allows the earbud tip to expand and adapt to the shape of your ear canal, providing a secure, customizable fit and eliminating the discomfort of traditional earbuds.Extremely Soft and Comfortable: Made from soft, skin-friendly silicone, they provide a comfortable, lightweight fit even for extended wear.Excellent Noise Cancellation: The perfect seal created by inflation effectively blocks external noise, ensuring a productive and quiet environment whether you're sleeping, studying, working, or traveling.Universal Design, Highly Adaptable: The expansion mechanism adapts to ear canals of varying sizes and shapes, eliminating the need for size mismatches. Made from high-quality silicone, they're easy to clean and maintain, reusable, and environmentally friendly.Easy Plug-and-Play: No need to pinch or force them; simply insert and gently press, making them easy to use for both adults and children.Inflatable earplugs, reusable noise reduction earplugs, flexible hearing protection, silicone, suitable for sleeping, deep concentration, travelMaterial: Silicone