davidamy's gift Water Aerobic Exercise Foam Dumbells Pool Resistance 1 Pair, Water Fitness Exercises Equipment for Weight Loss UV & bacteria resistant plus water beads right off EVA foam for super fast drying 7.8cm thick x 15cm diameter foam on each end of dumbbell. 27cm long, handle bar of apprvoximately 12cm between foams This is a higher resistance dumbbell. For weight loss Made of soft, nonabrasive closed-cell foam sold in pairs Suited for fitness exercise