the product is actually a Sweater necklace. Click on the store to see more collections of necklaces, bracelets and earrings. Material: 18K gold-plated stainless steel lucky agate necklace. Nickel-free, non-allergic, three-layer electroplating, extremely difficult to fade necklace length: 90 cm in total length.Pendant size: 2.5 cm * 2.5 cm , big pendantLuxury jewelry box needs to be purchased separately Designer necklace for any occasion, from formal dinners to everyday casual occasions. jewelry come in many colors, specifications, styles,If you don't find the style you like, please contact me, I will let you have a pleasant shopping experience.syi