FeaturesSimple atmosphere, trendy and fashionable, noble and elegantTitanium steel jewelry is a very special metal jewelry with tough texture and corrosion resistance. It will not turn black like silver jewelry, nor is it prone to allergies like copper jewelry, and it will not be prone to allergies like alloy jewelry because of lead. Toxic, while titanium steel jewelry maintains its own hue at room temperature. Titanium steel jewelry is made of the same material from the inside to the outside, and has passed the artificial sweat test. Its characteristics are completely non-corroding, and it is resistant to strong acid and alkali, and is not discolored, non-fading, non-allergic, non-deformed, hard and bright. accessories.[Features] High-grade non-slip glasses chain, fine workmanship, comfortable and safe, good electroplating texture, set on the tail of the glasses feet, prevent glasses from slipping off during exercise, suitable for matching all kinds of glasses and clothing, you can take off glasses and wear them on your chest at will, whether it is Sports, traveling, or attending a banquet, it is your favorite pair of glasses.[How to use] First, put the rubber rings at both ends of the glasses chain on the temples (the same mask), and then use the metal buckles on the rubber rings to press the temples to fix them.