Segolike 5pcs Silicone Eyewear Glasses Neck Retainers Eyeglass Glasses Sunglasses Spectacle Head Safety Strap Cord Holder for Kids Children Description:Non-Slip RopeFor all kinds of sports.High quality, strong and elastic.Great for reading glasses and sunglasses.Comfortable to wear, with no tight feeling.This lightweight, slim eyewear retainer is designed for a durable and comfortable fit perfect for daily use.Specification:Material: SiliconeSize: 16.8x0.6 cm / 6.61x0.24 inchPackage Includes:5pcs Eyeglasses Cord