Green hoop earrings, easy to put on and take off with screw-back closures. - Color: Somewhere between light blue and emerald green - Material: Metal, unknown, possibly enamel - Style: Hoop earrings - Design: Simple design - Closure type: Screw-back Not precious metal. These are old, from the 1970s, so there may be some dulling and discoloration of the plating, and possibly some minor plating wear. Thank you for looking. Color...Blue系 (Blue-based) Scratches/Discoloration...Yes