Item Name: Eye wear Accessories Eyeglass Lanyard Glasses Chain Anti Slip Eyewear Cords. Sports Glasses CordsProduct name: sports glasses ropeFeatures: wear-resistant and tensile100% Brand New and High Quality.Running, Gym, Cycling, WalkingAdjustableGreat For All SportsSpecification: 30cm*10cmMaterial: PolyesterSuitable for the crowd: those who love sports and wear glasses for a long timeColor: Black, Red black, Gray spots, Blue black, BrownDescription:The item is a pack of sunglass straps with rubber grip, which are suitable for regular glasses/ prescription glasses. Straps are , allowing sunglasses to be comfortably hung on your chest, or rest on top of your head. The ends tightly grip all small to medium sized frames, so while you may lose yourself in your favorite activity, your glasses will remain securely strapped to your head. A must-have one for your sunglass if you don't want to get any trouble when you have sports.Prevent your glasses from falling when you are doing sports.Also act as a great decoration for yourself or your friends. Simple and practical design, and easy to use. Material:The glasses chain is made of comfortable nylon thread, durable and fashionable.Feature:Safe and non,self-Effectively avoid glasses slip,adjustable.cottonQuantity:adjustable sunglasses strap.Design:Adjustable switch on the rope ensures that the belt does not fall off.Application:Fit most glasses frames, can work well with prescription glasses, sunglasses, reading glasses.There is 1-2% difference according to manual measurement. Package Includes:5 x Glasses Chain *Please make