Festty Glasses Strap Sports 3 pcs Eyeglasses Strap Holder for Kids Women Men Adjustable Sunglasses Strap Eye Glasses String Strap (Black)

Characteristic: 1. New Design: Different from the previous wire straps we use nylon material which is more comfortable and will not strangle the scalp. 2. Adjustable & non slip: According to the size of each person's head adjust the length of the glasses band through the adjusting buckle to fix the glasses eyeglass retainer will prevent your glasses won’t slip off your nose while you do sport or active leisure. 3. Tailless design: The eyeglass straps for sports can be fixed around your head with no-tail. This eye glass strap remains invisible on your head unlike other glasses lanyard. How to adjust: When you want to shorten the length you can pull the two buttons towards the silicone tips; When you want to extend the length you can extend the two silicone tips outwards. Free and hassle-free when exercising! Note: please measure your head circumference before purchase to confi