Color: 1 Pair - #2 Material: Silicone Recommended Uses: Noise Reduction Size: 40 Units (Pack of 1) Style: Soft Reusable: Reusable Quantity: 1 Pair Size Sport: Travel About this item: Health and Safety: These earplugs are made of environmentally friendly polyurethane and have been rigorously tested, are non-toxic and safe, so you can use them with confidence. Softness and good sound insulation make it an excellent life partner. Soft Foam Plugs: Designed for easy shaping and adjustment. These reusable earplugs can be reshaped to fit all ear shapes, creating an airtight seal and optimal protection against noise and water. Easy to clean, can be washed directly. Noise Reduction: Can be used as noise-reducing sleep plugs, travel plugs, soft noise-reducing plugs at work or entertainment, etc. Used to improve sleep, focus, protect hearing. Soft and Comfortable: Our earplugs slowly bounce back, enough for you to adjust the earplug and gently fill the ear canal. The earplugs are ultra-soft and low-pressure, no pain in the ear canal. Applicable Occasions: Earplugs help at home, in self-study classrooms, during car, boat, and airplane travel, factories, construction sites, etc. Earplugs help reduce noise and allow you to learn, rest, work, travel, and entertain with less noise and more fun!