Half persian 4in1 choker with an o'ring and a moon pendant. Material Rings - 316 marine grade stainless steel Pendant - Stainless steel moon O'ring - Stainless steel Closure - Stainless steel lobster clasp Handmade by myself when you place the order. Available in 3 standard sizes, 30, 35 and 40cm. It is adjustable by 1cm smaller and 2 cm bigger. Custom sizes available on request. To clean your jewelry, simply use any moderate dish or hand soap and water. Gently wipe the stainless steel jewelry with a damp cloth until the piece is clean and then dry. Please do not hesitate to ask if you have any questions.