Stainless Steel Breathing Necklace To Relieve Stress And Regulate Mood $ 6.25 Product information: Material: Stainless steel Type: necklace Style: Unisex Shape: geometric Chain style: O-shaped chain Whether multi-layer: no Whether to bring a pendant: yes Extension chain: none Pendant material: titanium steel Circumference: 51cm (inclusive)-80cm (inclusive) Packing list: Necklace*1