Butterfly Thermochromic Necklace O-Shaped Stainless Steel Necklace $ 4.59 Product information: Style; Natural Material: Stainless steel Treatment process: Electroplating Style: Bow Chain style: O word chain Whether to wear a pendant; Yes Extension chain; None Pendant material: Alloy Circumference: 51cm (inclusive)-80cm (inclusive) Packing: Accessories x1