Features： 1、High Quality Material: Earplugs are made of high quality silicone material, high elastic, non toxic, anti dust, exquisite, safe and durable. 2、Noise Reduction: 3 layers sound insulation, greatly improve the noise reduction effect, protect your hearing from loud noise. 3、Ergonomically Design: Fit the shape of the ear cavity of the human ear, inclined at 30 degrees into the ear, firm and stable. 4、Comfortable: You will hardly feel anything in your ear while wearing these sleep earplugs, no discomfort or pain, soft and comfortable. 5、Reusable Washable: Ear plugs can be washed with water or hand sanitizer, and can be used again after drying, environmentally friendly. 6、Practical: Include 1 pair of blue and 1 pair of white, 2 storage box, convenient for carrying, great for sleeping, swimming, etc. Specification： Item Type: Earplugs Material: Silicone Application Scenario: Swimming waterproof, sleeping noise reduction Standard: 1 pair of blue, 1 pair of white Package List： 1 x pair of White Earplugs 1 x pair of Blue Earplugs 2 x Storage Box