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 high-quality 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