These used Aqualogix Aquatic Bells Dumbbells Set is a versatile and durable water weights set designed for aquatic fitness exercises. Made of high-density plastic, these blue dumbbells feature a 9-inch width at bottom, and a 9 1/2-inch height, perfect for a variety of pool workouts. The set includes 2 aquatic dumbbells with high resistance, making them ideal for gym and training activities performed at home. The unique design and sturdy construction of these dumbbells ensure a safe and effective exercise experience. Made in the USA.