It is made of stainless steel and 18K gold plated over the surface of the necklace. Size: Length x Width Length specification: 26 inches = 66 cm 28 inches =71 cm 30 inches = 76 cm Weight specification： Size 76cm x 14mm is weighted around 260 grams Size 71cm x 14mm is weighted about 240 grams Weight differs in a different size, the wider, the longer, the heavier. You may choose your necklace according to the width of the necklace, or you may choose your necklace according to the length of the necklace, it depends on your personal needs. Please pay attention to the size of the necklace before purchase. Miami Cuban link chain necklace not only for those tough men but for everyone to create a nice look!