Specifications: Material: EVA Packaging: 1PC Size: As picture Description： This easy to store aquatic barbell is a perfect addition to your water aerobics workout. It's made from EVA foam, which has low water absorption for convenient use. The resistance of the barbells will provide an overall workout for your upper body, lower back and other parts. This dumbbell is a fitness tool that can be used on water. For people who like swimming or water sports, it is a very good tool to increase the amount and intensity of exercise. The unique octagonal design enables dumbbells to remain stable no matter in their hands or on the ground, without slipping easily and with higher safety. It can be used as a swimming teaching aid for children to help them strengthen their upper limb strength and promote the development of body coordination. Using this dumbbell to do movements in water can help the bodybuilders to do aerobic exercise, improve the function of heart and lung, enhance physical fitness, and is also conducive to weight loss and shaping. Note: Due to manual measurement, please allow an error of 1-3mm. Please ensure that you do not mind before bidding. Due to the differences between different monitors, the images may not reflect the actual color of the item. Please refer to the actual image received. Thank you very much.