Amythyst Stainless Steel Infinity Sign Pendant Necklace with Zirconia Stones Hypoallergenic, nickel and lead free stainless steel. Features an infinity sign pendant set with zirconia stones. Infinity sign measures approx. 1-1/8 inches wide and approx. 1/2 inch tall. Hangs from an 18 inch cable link chain. Perfect gift and accessory for any occasion.