Ships from Hong Kong. This dumbbells are made of cast iron and are coated with Neoprene for durability, comfort, and to help protect you, the floor, and other fitness facility and equipment in case of drops. The Neoprene surface provides for a comfortable and sure grip that won’t slip due to sweaty hands. These dumbbells are the ideal athlete companion to help tone arms, shoulder and back. 0.7KG each dumbbell. Neoprene covered dumbbells for a slip free comfortable grip. Great for any kind of fitness conditioning. When used regularly, they can improve muscle tone and core strength during any type of aerobic exercise or fitness training. Sold in pairs.