Tiger's Eye Eyeglass / Sunglass Chain. Measuring 28 inches long with adjustable stretch ends to fit most glasses, this chain has a silky lustre and earthy appeal. Made with antique copper cubed crystals, oxidized silver beads, and round Tiger's Eye beads and chips. Special properties of Tiger's Eye are said to enhance will power and increase confidence. PairsPerfectly with a good roar now and then.