Color: Blue Features: 1. Innovative liquid-inflatable design automatically adapts to various ear shapes, providing a better fit and greater comfort, ensuring no pressure during long-term use. 2. Highly effective noise reduction effectively blocks out ambient noise from airplanes, trains, offices, and other locations, helping you focus on rest and work. 3. Reusable, eco-friendly and economical, compact and portable, easy to store, suitable for travel, sleeping, studying, and other ocns. 4. Unique design provides a pleasant feel after wearing, balancing aesthetics and practicality, enhancing your daily use experience. 5. Easy to store and clean, extending the product lifespan and providing a high-quality earplug experience. Notes: 1. Manual measurement tolerance is 2-5g. 2. Due to differences between monitors, images may not reflect the actual color of the item. 3. SKU color refers to the color of the product packaging. Package Includes: 1 * Portable Noise Cancelling Inflatable Earplugs