Pure Iron Solid Electroplating Dumbbells Black Lacquered Red DumbbellsProduct information: Material: solid iron Specification: 30 (cm) Applicable scene: running sports, fitness equipment Weight: A pair of black paint and red letters 10KG, a pair of black paint and red letters 15KG, a pair of black paint and red letters 20KG, a pair of black paint and red letters 30KG, a pair of black paint and red letters 40KG, a pair of gift boxes, a pair of black paint and red letters, and a pair of gift boxes, a pair of black paint