The Earrings Essentials Kit means you never have to worry about losing a post back. This jewelry solution offers three types of earrings backs, including disc, modern, and rubber that fit Chico's brand earrings, as well as other standard size earrings you may have in your collection. Take this kit with you when you travel, or just put a few in your purse pocket, just in case. Total of 40 disc backs, modern backs, and rubber backs. Two pair of gold tone disc and modern backs, two pair of silver tone disc and modern backs, 24 pair of rubber backs. Includes convenient screw top carrying container. 50% plastic, 24% brass, 13% rubber, 13% cubic zirconia. Imported.