Package Contents: The glasses come with 6 different color combinations to choose from to easily match your outfit and mood. Each eyeglass chain holder strap is 70 cm (27.5inches) in length. The perfect accessory for summer events that combines beauty with style and function. Good quality: Flexible and wear-resistant, and can be used for a long time. Fashionable styles, carefully designed, bright colors and full of vitality, make you unique.Chain Safety. Hand Wash Fastening: Adjustable Classic MZFYJL6ZYZYUK Adjustable Eyeglass Chain: Each spectacles neck cord have moveable loop ends which can be easily adjusted to ensure a tight fittting against the glasses arms. They are soft rubber too, so they wont cause any damage to your reading glasses spectacles. Prevent Glasses From Falling: Both ends of the eyeglass chain have adjustable holder loops with metal coil, can be slipped on and off easily to fix so that they can make it easy to attach to your glasses easily, will not fall outwith. From narrow to wide, the anti-slip loops will securely and snugly hold on to your glasses. Wide Application: Suitable for office, family, travel, sports, etc. In addition to hanging glasses, it is also very suitable as an accessory for hanging other things.