This hat is waterproof and can prevent water from penetrating into the ears when swimming, which is very practical. Available in a variety of colors, suitable for both men and women. High elasticity ensures the hat fits you easily. Made of high quality polyester, waterproof and breathable. The length and width of this hat are 16.3cm and 24cm respectively. Great for swimming and other wading sports. Product name: hat Material: polyester fiber Gender: Unisex Seasons: four seasons Features: Waterproof, soft, breathable Size Details: Dimensions: 16.3cm x 24cm/6.4" x 9.4" (approx.) Note: Due to lighting and screen settings differences, the color of the item may vary slightly from the picture. Please allow slight size differences due to different manual measurements. Package includes: 1 x hat