Made of EVA foam, comfortable to touch and durable. They ensure flotation and low water absorption. Lightweight and portable. Suitable for adults and children. Function: Dumbbells help your muscles build endurance and flexibility by providing additional resistance underwater. Widely : Water dumbbells are suitable for swimming pool, sea, spa, Adding more water fun to you, its so much fun to play with this dumbbell. These foam dumbbells are not permitted to be as swimming aids. Cardio: For those looking for a rigorous, low-impact workout, water dumbbells are the perfect way to get in shape. Ideal for aquatic support and balance or underwater resistance exercises. Overwater treatments, pool workouts, aqua gym and aqua aerobics. -Color: as picture shown -Material: EVA - Dimensions: 27.00 x 8.50 x 8.50 cm/10.61 x 3.34 x 3.34 inches Package Included1 x water dumbbell