FOSIR Jewelry Focuses on daily use fashion jewelry. Accumulated many years of practice skills with perfect details to ensure the exquisiteness and uniqueness of each piece of jewelry.Working hard to provide high quality exquisite jewelry for men. And we will adhere to this goal, never give up. FOSIR Stainless Steel Ball chain are made of High-Grade stainless steel skin-friendly, comfort fit and hypoallergenic. Hand high polished ,excellent IP black plated,and one by one quality controlled.A range of length variations,and three width variations,are suitable for men and women of all ages.smooth edges,comfortable to wear with or without a pendant as a daily jewelry. Product Warranty 90-Day Money Back Guarantee or Exchange.