Adult size: 55-59CM Refer to the head circumference for the reference Suitable season: Four seasons All products in our store are genuine, and any theft of images will be prosecuted Kind reminder: The prices of the products sold in our store do not include tax. If you need to include tax, please contact customer service to report the price including tax. Due to different shipping batches, there may be slight differences in the outer packaging of certain products. We will provide users with aesthetically pleasing and high-quality outer packaging without affecting product quality. The SKU image in some products may display multiple products of the same style, for reference only. If the specifications are not clearly stated, the quantity of goods in that specification is 1 piece. [Product Testing]: Before shipping and packaging, our company will also conduct individual tests to ensure that you receive the goods without any quality issues. If there are quality issues, please communicate with me in a timely manner so that the problem can be resolved and unpleasant incidents can be avoided. Thank you for choosing our product!