Glass front hinged design with magnetic closure. Each pendant comes with matching and contrasting interchangeable faces. 2.5 cm in diameter. Large opening in back with threaded screw closure. All pieces are made of 316 Stainless Steel for longevity. Gold/bronze accents or chains are plated in 14K gold. All pendants come with a 48cm snake chain in matching tone. Soldered loop for secure threading of chain.