Feature: 1. High Transparency: Double layer sealed closed domes head 10mm set earplug accessories. Easy to clean with water to ensure hygiene and extend the life of amplifier earplugs. 2. Enhanced Hearing: Helps enhance hearing, reduce noise interference, and prevent discomfort during use. The earplugs are also anti static, allowing for long‑term wear without damaging the ears. 3. Compatibility: The closed domes are effortlessly removable and replaceable, offering added convenience for users seeking customization. Compatible with a variety of brands/models. 4. Robust and Reliable: The double layer replacement closed domes earplugs are long lasting and reliable, providing the best sound clarity and comfortable all day use and for reliable performance. 5. Enhanced Performance: Experience enhanced performance and comfort with these closed domes, allowing for improved sound quality and extended wear without compromise. Specification: Item Type: Close Domes Size: Approx. 10mm / 0.39in Material: Plastic . Package List: 20 x Close Domes 1 x Ventilation Rod 1 x Cleaning Brush 1 x Storage Box