These EVA foam water dumbbells offer a low-impact way to get a full-body workout that targets your back, shoulders, arms, and chest. The comfortable, humanized design takes advantage of water's natural resistance and buoyancy to provide added dimension and challenge to your workouts. Lightweight and portable, these dumbbells are perfect for aquatic workouts in kindergarten, gym or pool, and can help improve your strength, fitness and overall health by providing a fun and effective way to exercise. Features: 1. LIGHTWEIGHT AND PORTABLE: They are made of a long-lasting EVA foam that dries quickly between uses. The function and form of water dumbbells are fairly straight-forward. 2. A LOW IMPACT & VIGOROUS WAY TO GET A WORKOUT: Water-based aerobics provide an opportunity to exercise in a low-impact environment, without the jarring impact that can be harsh on joints. 3. COMFORTABLE HUMANIZED DESIGN: The way that aquatic dumbbells work is that they take advantage of the waters natural resistance. On top of this, aquatic dumbbells are extremely buoyant, which makes it challenging to keep them submerged, providing an added dimension of resistance. 4. HELP YOUR BODY BECOME HEALTHY: Water dumbbells are a perfect way to get a great workout for those who want a strictly low-impact workout. Water dumbbells are awesome for working your back, shoulders, arms and chest, helping you get stronger and get in better shape. 5. PERFECT AQUATIC FITNESS EQUIPMENT: Can use to boost the efficacy and enjoyment of your workouts. Be easy to grip, durable, and provide resistance! Specification: Material: EVA Product Color: Pink, Blue, Green, Yellow Product Size: 27 x 16.5 x 16.5cm Product Weight: 120g Package Included: 2 x Aquatic Exercise Dumbells