AMAZING VALUE - Made with top quality reading glasses chain is made of metal ,crystal and the legs are made of silica gel,electroplating, glasses set foot in the tail of the movement to prevent slipping glasses.No more scratched up lenses just because you bent to pick something up or to tie your boots this glasses necklace provides strength to keep your eyeglass holders around neck seamlessly EYEGLASSES CHAIN SIZE - Total length: 75cm/29 inches. Total weight:15g. Please be aware that data might look slightly different in person due to its measured by hand. FOR PEOPLE - From small to large frames, these eyeglass chains and cords for men and women strap provide universal compatibility fitting optical frames, reading glasses & sunglasses REINFORCED ANTI-SLIP CLIP LOOP - Adjustable eyeglass frame rubber end and metal coil, both sides of the high elastic silicone rubber tip firmly wrapped, not easy to fall off (just move the silver plate of the metal, you can tighten the glasses ear line), with a soft cloth clean The Avoid chemical substances; avoid friction.