100%brand new and high quailty,,Baby material: imported green copper inlaid AAA grade Swiss drill allergy!,,Surface treatment: high-quality nickel-free plating really platinum, anti-allergic lasting shiny shiny,,Product Specifications: 6 # \uff0c7 #\uff0c 8 # \uff0c9#,6 # - inner diameter 1.6 cm,7 # - inner diameter 1.7 cm,8 # - inner diameter 1.8 cm,9 # - inner diameter 1.9 cm,,Color: gold,,packing:1pcs