Description:With a length of 26.77 inches, The buckle slides along the belt to allow length adjustment, Can be adjusted according to your own head shape, suitable for most adults and children.Made of fabric, elastic and soft, with long service life.High strength, not easy to age, not easy to break, can avoid the trouble of glasses slipping when playing Basketball.This eyeglass cord is ideal for adults and children,outdoor activities and daily use. It can be used for all types of glasses, such as sunglasses, swimming goggles, sports glasses, and reading glasses.Size Chart:68cm/26.77inchWidth: 4MM/0.16inchPackage Includes:1 Piece Glasses Strap (2 Pack)Note:1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful on-line shopping!