Color 20 Pairs - #2 Material Silicone Recommended Uses for the Noise Canceling Product Size 40 Unit (Pack of 1) SOFT Style Reuse Reusable Number of Items 1 Pair Size Sport Travel See more About this article Health and safety. The earplugs are made from eco-friendly polyurethane and have been rigorously tested, non-toxic and safe, so you can use them with confidence. Softness and good sound isolation make it a great partner for life. Soft foam earplugs are designed to be easily shaped and adjusted. These reusable earplugs can be reshaped to fit any ear shape, forming an airtight seal and optimal protection against noise and water. Easy to clean, can be washed directly. Noise Reduction. Can be used as noise canceling sleeping plugs, travel plugs, soft noise reduction plugs at work or entertainment, etc. Used to improve sleep, focus, protect hearing. Soft and comfortable. Our earplugs rebound slowly, enough for you to adjust the earplug and gently fill the ear canal. The earplugs are ultra-soft and low pressure, no pain to the ear canal. Applicable occasions. Earplugs help at home, self-study classrooms, during car, ship and plane travel, factories, construction site etc. Earplugs help reduce noise and allow you to learn, rest, work, travel, entertain with less noise and more fun!