12pcs practical glasses cords.Full set comes in a wide range of colors.

Nylon Eyeglass Cords:Made of tough nylon material for keeping your spectacles securely on your head.

Polyamide

These eyeglass cords are easy to apply to your eyeglasses'arms.Simply hook on and tighten connectors

Can be used for outdoor sports, play ball, or out of travel.

Suitable for myopia, reading glasses, sunglasses.

Nylon Eyeglass Holder Durable Eyewear Retainer Cords Portable Eyeglass Chains Glasses Straps 12pcs-Colorful