This is for either a 3mm, 5mm, 7mm 9mm, 11mm, 18k Gold plated (Gold PVD plated, which is thicker and more durable) Stainless Steel Curb or Cuban chain from bracelets to anklets to necklaces from 6 inches to 36 inches. Available Lengths: Recommended for best sizing to measure your length using a measuring tape or a string and then hold it against a measuring tape 6in bracelet - for girls with thin writs and young boys 7in bracelet - for men and women 8in-9in bracelet - for men 16" in - Women's and Boy's Necklace 18" - 20" in - Teen's Necklace 22" - 36" in - Men's NecklaceRecommended size:-We suggest Necklace lengths 16"-20" for Boys and Girls, and 22"-30" inch for Men.-3mm, 5mm is Unisex.-5mm, 7mm, 9mm, 11mm is commonly purchased by Men. Weights: 3mm: 2 to 13 grams (depending on length) 5mm: 9 to 37 grams (depending on length) 7mm: 13 to 66 grams (depending on length) 9mm: 15 to 78 grams (depending on length) 11mm: 27 to 117 grams (depending on length) Features: 1.Never Fade Never Tarnish 2.The cuban link chain is one of the most popular style chains! 3.These elegant chains are handcrafted in Stainless Steel. Solid and heavy feel. The frames measure 7-36 inches in length and 3-7mm in width. These chains securely lock with a durable lobster clasp. 4.High quality stainless steel Plated in Gold has high resistance to rust, corrosion and tarnishing. It will be very durable.