Description 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 occasions. 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. Comments: 1. Manual measurement tolerance is 2-5g. Please do not mind any replacements. 2. Due to differences between monitors, images may not reflect the actual color of the item. Thank you very much! 3. SKU color refers to the color of the product packaging. Package Includes: 1 * Portable Noise Cancelling Inflatable Earplugs