Silicone earplugs are made of soft material, feel comfortable to wear, light weight and fit the ear. It can effectively isolate external noise, provide better sound conduction, and doctors can focus more on seeing a doctor when using a . The earplugs are very simple to install, just put them on the , they will not fall off easily, and they are easy to use. Features - ColorBlack - Material: Silicone - Size: Upper aperture: 3.50mm/0.14inch; Lower aperture: 6.00mm/0.24inch - Applicable size: Suitable for 6.00mm/0.24inch ear hooks, fit for most the market, please pay attention to the size before buying. - Tip: Keep these small items from children under 5 to avoid . - Practical accessories: These replacement are practical accessories that are very helpful for doctors when using a . - Soft material: The replacement earbuds are made of silicone and feel comfortable to wear and fit the ear. - Sound conduction: earplugs can isolate external noise and provide better sound conduction. - Keeping shape : The earbuds have self-stretching deformability, but retain their shape well. - Easy to install: The earplugs are very easy to install, just put them on the and won't fall off easily. Package list: 10 x Stethoscope Silicone Earplugs