This beautiful handcrafted Eyeglass Holder features the following top-quality materials: Purple Mountain Jade Beads.(Mountain Jade is a high grade dolomite Marble that comes from Asia). Purple Fresh Water Pearls. Miyuki Matte Crystal Ab Beads. Silver Metal Beads. Transparent Purple Luster & Silver Seed Beads. Beaded with Beadalon wire. Secured with 2 crimp beads on each end for added security. Measures 27 1/2" inches in total length. It is designed to go over the ear pieces of your glasses, sunglasses, reading glasses, etc., so that if you let them hang down, you won't misplace them. Ear piece ends are ajustable.