Feature: 1. EVA foam provides good buoyancy and low water absorption. 2. Work your upper body as well as your lower back and abs for a total fitness workout. 3. Great for aquatic classes, water physical therapy, pool exercise, underwater fitness, and water aerobics. 4. Ideal underwater exercise equipment for punch down, arm curls, pouch out, arm rotation, chest press. Specification: The EVA foam dumbbells with good buoyancy and low water absorption is a great underwater exercise equipment for those who pursue a total fitness workout. Features: EVA foam provides good buoyancy and low water absorption. Work your upper body as well as your lower back and abs for a total fitness workout. Great for aquatic classes, water physical therapy, pool exercise, underwater fitness, and water aerobics. Ideal underwater exercise equipment for punch down, arm curls, pouch out, arm rotation, chest press. Note: Do not use the dumbbell as a floatation device. Specifications: Material: EVA Color: Blue / Green / Pink (optional) Dimension: 27 * 15cm / 10.6 * 5.9in Weight: 125g / 4.4oz Package List: 1 * Pair of EVA Dumbbells Package List: 1 * Pair of EVA Dumbbells