Brand: davidamy's gift Size: 27cm long, handle bar between foam approximately12cm long, size of foam: 7.8cm X15cm diameter, sold as a pair. Water Dumbbells are a closed cell foam construction with cushioned handle to prevent over gripping. These aquatic barbells will not chip, crack or absorb water. Excellent for support and balance above the water or resistance exercises below the water. Often used in conjunction with a water running belt. Closed cell foam has a smooth finish making it non-abrasive to skin and clothing, easy to clean. Great for those recovering from injury, or those unable to do weight training in the gym. Athletes wanting to cross-train will also find the drag created by these Bells to have the perfect upper-body toning effect. By simply turning your wrist you can add different levels of intensity. Change attitudes about exercise with this deeply invigorating, stress relieving workout,have fun while working out!