Fitness mad s pro hand weight s with straps are made from steel handle with non slip nbr foam covering for a soft and comfortable grip complete with elasticated strap for added safety the straps make them easy to carry when running the aerobic hand weights have an extra soft foam covering so that the weight doesn t cause discomfort when running another extremely good feature of the aerobic hand weights are that they have a lot of absorbent material around them so that when you start sweating