Features: LED luminiferous hat, with unique and bright luminiferous effects, eye-catching, adding personality charm. Consist of good-qualities component, comfortable and durability; Multiple flashing models, freely switchable; Battery powered, easy to carry. Adjustable size, suitable for different head circumferences. Suitable for youth who enjoy parties, performances, nightclubs, and other occasion, as well as those who pursues fashion and individuality. It is used at parties, music festivals, stage performances, nightclubs, and other Occasion to add highlight to the overall look and attract the attention of others. Specifications: Color:Three Choices Dimension:55-58cm/21.65-22.83in Component:Fabric Package Includes: 1pc LED Jazzs Hat note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.