Sprint Foam Water BellsThe perfect water bell for fitness and rehabilitation. Made of closed cell EVA foam that is durable and non-abrasive. Foam covered handles reduce hand fatigue. Strengthens upper body with increased resistance. Latex free and packaged in a poly bag for easy storage. Patented design comes with instruction booklet and exercise program. Sold in pairs. Please choose model.Minimum Resistance= Approximately 9 – 12 lbs.Medium Resistance= Approximately 15 – 18 lbs.Maximum Resistance= Approximately 22 – 25 lbs.Item # 729- Minimum Resistance, 727- Medium Resistance, 725- Maximum Resistance