These are solid steel and made for those who want MORE. They come in two sizes:
Large: 1.62 pounds, 1.97" in Diameter at widest point, 6.19" in circumference
XL: 2.83 pounds, 2.4" in Diameter at widest point, 7.41" in circumference
Heat them up or cool them down if you want something extra special and intense. These are definitely NOT for beginners!