A. Highly efficient and comfortable: These swimming nose clips are designed with ergonomic tailoring, which can fit the contour of your nose bridge, making them more elastic and soft in texture. They can effectively prevent water from entering the nasal cavity and protect your nose from bacterial infections in the water. They are comfortable to wear, have waterproof functions, and are not likely to fall off your nose when swimming. B. This free diving nose clip is made of aluminum alloy material, which has anti - corrosion properties. It is practical in function, safe and reliable, with an adjustable fastening method. It is resistant to damage, oxidation, and has a modern and ergonomic design. C. After using the nose clip, you no longer need to pinch your nose with your hands, allowing your shoulders to stay relaxed. This makes it easier to find the right feeling and calmly practice the ear pressure equalization technique. Since the pressure rises rapidly during a rapid dive, free divers may need to equalize their ear pressure more quickly. D. The product is of good quality. E. It is easy to install and durable. F. When free diving or swimming, pinching your nose with your hands to equalize ear pressure can make some muscles in your body tense and consume extra oxygen, which is not beneficial to maintaining a streamlined body shape. By using a nose clip, you can free your hands, relax your shoulders, find your own suitable state, and practice the ear pressure equalization technique. G. Due to the rapid dive, the pressure will increase, so divers may need to equalize their ear pressure more quickly. H. Color: Gold I. Material: Aluminum alloy J. Package contents: 1 nose pad K. Only the above - mentioned package contents are included, and no other products are included. L. Note: Light reflection and different displays may cause slight differences between the color of the item in the picture and the actual product. The allowable measurement error is +/- 1 - 3 cm.