Material: Waterproof fabric with coating, which can effectively waterproof and block ultraviolet rays. It can keep you cool in the sun and dry in the rain. Unique design: Our umbrella has an elastic band design, which can fit most head shapes and is comfortable to wear. It can be used by both adults and children. The practical design can keep your hands free. Size: The open diameter of the sun umbrella is about 51cm, and the length of the umbrella is about 32cm. It is small and exquisite, foldable, and very convenient to carry. Almost no storage space is taken up. Colour:this rainbow umbrella hat contains colours of blue, green, yellow and red, vivid, beautiful, and eye-catching, helping you stand out in the crowd, they are fun and practical accessories for outdoor parties, suitable for different outfits in different occasions. Widely used: These rain hats are very suitable for outdoor activities, such as fishing, gardening, golfing, hiking, farming, camping, and you can travel on rainy or sunny days.