Montbell glass strap. Purchased in 2024 and used only once. I am selling it because it didn't suit me. ● From the official website This is a glasses band that can be attached to temples of various thicknesses and shapes. No metal parts are used. * It may not be possible to attach it depending on the shape of the glasses. 【Material】Thermoplastic elastomer (cord) Polyester 【Color】Black (BK) 【Length】35cm (including parts)