Color: Black This is an eyeglass strap with length adjustment. You can adjust the length when doing sports or light exercise, so you can enjoy your activities without dropping your glasses. Please use it for sports, jogging, etc. It is also very convenient as you can hang it around your neck or suspend it. Length: Approximately 60cm * Shipping will be via Japan Post's regular mail. Please note that date and time指定 cannot be specified. * Shipping will be on weekdays, Mondays, Wednesdays, and Fridays (subject to change). We apologize, but we do not ship on holidays. If your order is completed by 9:00 AM on the day of shipment, it will be shipped that day.