This pair of plugs are 00g in size. They are made of acrylic and metal. Plugs are straight with no flair and include a rubber ring as a backing. Acrylic is white and cannot be seen from the front while wearing. Metal is lead and nickel free. Earrings hang approx 1 1/2 inches from the bottom of the plug. Plugs are extremely lightweight and easy to wear! Please contact me with any further questions!