Features: Excellent water proofing performances: Quality PU component, 98% water proofing effect, effectively blocking moisture from entering and keep hair dry. High elasticity fit design: Excellent high elasticity and is suitable for a head circumference ranging of 56-60cm, ensuring a good fit. Lightweight, breathable and comfortable: With thick of only 0.3mm, the hat is lightweight and breathable, without causing any additional burden when swimming. Multifunctional application scenario: not only suitable for indoor swimming pools, but also for outdoor swimming and surfing and other water sports, meeting the needs of different environment. Wear resistant and durability design: PU that is undergone wear-resistant and durability, and can maintain good condition even after use. Specifications: Component: PU Size: approx. 25x19cm/9.84x7.48inch Color: pink, black, gray, lake blue(optional) Applicable scenario: swimming and wading exercise Package Includes: 1 Piece Adult Swimming Hat note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.