Features: Material:Eva foam. Dimension: 10.8 x 6 x 6 inch / 27.5 x 15 x15 cm.Weight:4.5oz.Recommended for ages 14 and up. Lightweight, but will present great resistance for your exercise in the water. Suspends you vertically in water to create a unique exercise experience. Work your upper body as well as your lower back and ABS for a total fitness workout. Water-based training burns calories—the greater the resistance in the water, the higher calorie burn you’ll experience. Product Description: Total Length: 270mm / 10.63" Foam Diameter: 145mm / 5.71" Material: EVA Foam packect included: 1x Water Dumbbells Portable: Each barbell measures Approx. 27 * 15 * 15cm/ 10. 6 * 6 * 6 inch. Perfect for water aerobics, swim exercise, or other aquatic fitness training, Lightweight, but will present great resistance for your exercise in the water. Quality Material: Made of high density EVA foam, and buoyant, comfortable to the, no fading, no degumming, fixed well Ultra Buoyancy: These EVA foam dumbbells have high buoyancy, they work well underwater and provide ideal resistance for your workouts; your health and let you fall in love with relaxation COMFORTABLE GRIP: The handle of the water weights dumbbells is soft, comfortable, and not easy to slide. Long-term exercise, the hand will not feel fatigued and the exercise time can be extended. Multiple Uses: Suitable for swimming pool, spa, fitness, water aerobics; Strengthens your upper and lower back for a complete workout; It is very good to assist you in exercising and reduce your exercise resistance, practical for sports enthusiasts