[QUALITY BUILD: Made of premium high-density EVA foam the water dumbbells are chlorine-resistant and dry quickly between uses; they are long-lasting and will not fall apart MEASUREMENT: 10.5 inches long x 6 inches wide; Comes in a pair; Available in black blue and purple ULTRA BUOYANT: The dumbbells are highly buoyant offering the perfect amount of resistance in your underwater workout LOW IMPACT WORKOUT: Build muscle or burn fat without straining your joints by working out in the water; develop your upper body and achieve maximum results with minimal impact LIGHTWEIGHT AND PORTABLE: The dumbbells are easy to carry to and from your water workout location; they are also easy to grip with handles made of sturdy plastic reinforced with a foam cushion]