UM Jewelry Couples Necklace Crystal Stainless Steel Heart Puzzle Double Rings Pendant and Chain Material:Stainless Steel and Crystal,Necklace Chain Length:50cm/19.68" Rings Pendant Size:Black 5mm*24mm/0.19"*0.94",Gold 4mm*22mm/0.16"*0.87" Highly recommended necklace for couples looking for Valentine's day gifts Feature:Anti-allergic,Never fade,High Polished Comes with one black velvet bag,60 days money back guaranteed