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 reducing discomfort compared to traditional earbuds. Extremely Soft and Comfortable: Made from soft, skin-friendly silicone, they provide a lightweight, comfortable fit even during extended wear. Excellent Noise Cancellation: The secure seal created by the expansion effectively blocks external noise, helping maintain a quiet and focused environment for sleeping, studying, working, or traveling. Universal Design, Highly Adaptable: The innovative expansion mechanism fits various ear canal sizes and shapes, eliminating the need to choose between multiple sizes. Made from high-quality silicone, they are easy to clean, reusable, and environmentally friendly. Easy Plug-and-Play: No pinching or forcing required—simply insert and gently press for a secure fit, making them user-friendly for adults and children. Inflatable earplugs, reusable noise-reducing earplugs, flexible hearing protection, silicone material, suitable for sleeping, concentration, travel Material: Silicone