Description: Easy to WearThis hat features sticky tape and elastic band design, ensuring a comfortable fit without squeezing your head. Even after long periods of wear, it won't cause discomfort or easily fall off.Multifunctional: It serves as a bike rain hat with a transparent rain cover design, providing clear vision and enhanced safe when traveling in the rain.MaterialMade from quality PVC material, this hat is waterproof and designed to withstand various weather conditions.SizeThe product dimensions are 30cmx25cm/11.81inchx9.84inch with an adjustable circumference ranging from 50cm-65cm/19.69inch-25.59inch, making it suitable for most head sizes.Versatile Use: The summer sun hat is suitable for various outdoor activities such as beach outings, cycling, hiking, picnics, and daily commuting. Specification: Material: PVC Size Chart: 30cmx25cm/11.81inchx9.84inchHat circumference: 50cm-65cm/19.69inch-25.59inch Package Includes: 1 Rain Hat Note: Please allow slightly errors 1-2cm differences due to manual measurement.