Water Aerobics Dumbbell Medium Aquatic Barbell Aqua Fitness Pool Exercise Medium resistance closed cell foam barbell 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 water running belt. Quality product. Foam barbell has a smooth finish making it easy to clean and resistant to harboring bacteria (unlike the the typical white foam). Used on top of water for support and balance. e.g. gait training. Used underwater for resistance exercises e.g. strengthening and aerobic conditioning. A standard in water aerobics classes and general water exercises. Marginally less resistance than the Aquatic Hand Bar (item 6014). Medium Resistance: approximately 168 cubic inches (submerged force of about 7 lbs). Latex Free. Sold as a pair. These bells are brand new (still in original plastic sealing), are of MEDIUM resistance, are sold in pairs and are hugely popular with aqua aerobics class instructors. Size: 11" long, handlebar between foam approximately 5" long Size of foam: 3" x 6" diameter