Dumbbells are the key building blocks of fitness whatever your goals may be, that’s why it’s important to select your ideal dumbbells wisely. This practical piece of fitness equipment is standard issue for toning upper body muscles. The smooth high quality vinyl finish gives great grip while the iron inside stays serious for a more comfortable workout. With a rounded square design, the dumbbells won’t roll when placed on the floor, which is also ideal for plank upright rows and other exercises performed on an exercise mat with weights.