Elastic Cord Bracelet Making, with Iron Jump Rings, Adjustable, FuchsiaSize: about 130mm long. Iron Jump Rings: about 5mm in diameter; Elastic Cord: about 1mm in diameter.Elastic Cord Bracelet Making, with Iron Jump Rings, Adjustable, 130mmThese elastic cord bracelets making with iron Jump Rings are adjustable . Its simple design presents a fashion style. You can match other garniture to string together that become an end product.