●Material: Pure cotton ●S number is suitable for head circumference 56 or less ●M is suitable for head circumference 56 or more ●Color: dark blue ●If you use the remittance order, please complete the payment within three days. The products are all pre-ordered: starting production after taking the order, waiting for 14 working days Due to manual cutting, etc., the emergency order is not accepted. If you have any questions after placing your order, please feel free to contact us. ●The production time of each item is different. Due to the large amount of cloth flowing, If the fabric is out of stock, it will be notified immediately, and you can apply for a refund/exchange. Thank you for your support and understanding.