It is made of cast iron inside and outside is PVC,except hex shape,we also produce round shape.And about handle,we can make it straight or curl,the customized LOGO can be printed on the top of the head,normally we print customer's LOGO on one side and the weight indication on the other side.                                                                                                                                                   

Usage:add resistance training to your workouts with dumbbell.Resistance training not only builds strength,but it can also help burns calories,increase energy levels,protect bone health,improve mood.