Size: Total Length: 270mm / 10.63inch.Foam Diameter: 150mm / 5.9inch. High-quality Materials: Aquatic dumbells are made of high quality EVA material, tasteless and waterproof, the resistance of the barbells will provide an overall workout for your upper body, lower back and other parts. Provide Buoyancy: The dumbbells are highly buoyant, they provide flotation and low water absorption.They will offer the perfect amount of resistance in your workout. Applications: Aquatic barbells are suitable for swimming pool, spa, fitness exercises,etc, which is suitable for adult and kids using,and these foam dumbbells are not to be used as a flotation device. Color: As Shown Material: EVA Package Contents: 2 x water floating dumbbell Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.