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 , customizable fit and eliminating the discomfort of traditional earbuds. Extremely Soft and Comfortable: Made from soft, skin-friendly silicone, they provide a comfortable, weight- fit even for extended wear. Excellent Noise Cancellation: The perfect seal created by inflation effectively out external noise, ensuring a productive and quiet environment whether you're sleeping, studying, working, or traveling. Universal Design, Highly Adaptable: The ingenious expansion mechanism adapts to ear canals of varying sizes and shapes, eliminating the need for size mismatches. Made from silicone, they're easy to clean and maintain, reusable, and economical for the environment. Easy Plug-and-Play: No need to , pinch, or force them; simply insert and gently press, making them easy for both adults and children. Product Description: inflatable earplugs, reusable noise reduction earplugs, flexible hearing , silicone, suitable for sleeping, deep concentration, travel Material: Silica gel Color: as the picture shows