["Description:\n\nFeatures:\nbrand new and high quality\nBuilt-in solar for sun power design, save energy, environmentally friendly and long lifespan, no battery required. Save our earth, use of green power solar energy and turn the fan on.\nSolar powered fan that cools your face off in the for sun, unique magic sticker design, make you easy adjust size to match you need.\nThis cap made of cotton material, it is durable, breathable, comfortable and lightweight.\nSuitable for: traveling, fishing, climbing, playing golf, gathering at plaza, or watching drama, watching ball game and other outdoor activities.\n\nSpecification:\nMaterial: Cotton\nBrim length: app. 17cm(6.69in)\nfor Head circumference: 53-59cm(20.87-23.23in)\nOptional Color: Black, Blue, Red, White, Yellow\nQuantity: 1 pc\n\nNote:\nTransition: 1cm=10mm=0.39inch\nNo retail package.\nPlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1 x Solar Power Fan Hat Cap(other accessories demo in the picture is not included.)"]