This listing is for one pair of 18k gold hoop earrings for one ear and a jewelry kotobuki polishing cloth. Hoop Earrings, Small Hoop Earrings, 18k Earrings, Hoop, Extra Small, Product Description: Material: K18 Stamped. (meaning for 18K Gold). Stone: Size: Pipe Size: 0.04 x 0.3 inches (1 x 8 mm). Pipe Thickness: 0.03 inches (1 x 8 mm). Hoop Diameter: 0.03 inches (8 mm). Post Thickness: 0.03 inches (0.7 mm). Please check the smallest hoop earrings in our store. The shape and size of the product may differ slightly depending on the artisan. Please be aware that Japanese craftsmen are carefully made.