12 pack in 7 colors Eyeglass Neck Strap plus Cotton Glasses Retainer
Black, gray spots, orange-black, blue-black, dark green, red-black, brown-black, not only suitable for women, but also men
Made of pure cutton material , very soft on the ears and nicely keep glasses on during sports or rough boy play.
It is flexible enough for you to slide glasses off your eyes while reading/doing close up stuff.
The normal size of this eyewear retainer is 11.8" . The hole is 0.8cm.
Due to the great extensibility, you can strench it to 23.6in or more.
Suitable for most eyeglass
LABOTA 12pcs Anti-Skid Glasses Chain | Glasses Strap | Retainer，Retainer Glasses Holder Universal Fit Rope Sport Unisex Sunglass Strap Eyeglass Chains Lanyard