Natchan-sama, Glasses Case Option: D-ring and Neck Strap Addition: ¥300 *Only available for purchase with a glasses case. Cannot be purchased separately. The strap color matches the tape color around the glasses case. Convenient to use with a neck strap at work, fashionable and cute! Stylish women pay attention to accessories, right? It can be removed from the D-ring, allowing you to store it smartly in your bag. Neck Strap Size: Width 10mm x Length 40cm, with lobster clasp [Shipping] Will be shipped together.