Safe Material: Our swimming earplugs are crafted from soft, skin-friendly silicone that is non-toxic, odorless, and lightweight. They are super comfortable to wear and feature a waterproof design for water sports and noise reduction for various occasions. Ergonomic Ear Shape Design: Swimming earplugs are designed according to the human concha structure, ergonomically shaped to sit securely inside the ear. The outer parts fit snugly to the ear contour, ensuring comfort and effectively preventing water from entering the ear, while also helping to reduce noise. Easy to Wear and Reusable: Swimming earplugs come with an independent storage box, making them lightweight, compact, and easy to carry. Each pair is marked with L/R for left/right and can be reused after cleaning, ensuring durability and reducing waste. Remember to keep them dry and clean after use. Not Just for Swimmers: These earplugs feature triple filtration to help prevent swimmer's ear and keep water out during swimming, surfing, water skiing, canoeing, and trips to the pool, beach, lake, or shore. They can also be used in daily life for bathing or hair washing at home. With their noise-reduction function, they are also suitable for studying, working, and hearing protection.