These EVA foam dumbbells are perfect for aquatic exercise, suitable for adults, kids, and beginners. They provide resistance for strength training and support while reducing joint pressure. Made of high-quality waterproof material, easy to assemble and disassemble. Features: - The Aquatic Exercise Dumbells are suitable for swimming pools, spas, fitness exercises, etc., suitable for adults, women,children and beginners. These foam dumbbells cannot be used as floating devices. - The Water Barbells Aquatic is not beneficial to the cardiovascular system, because of the natural resistance provided by water, the aerobic exercise in water is also a strength training program. - The EVA Foam Fitness Dumbbells is made of high-quality EVA foam, which is very lightweight and waterproof. They can provide floating support while enhancing the strength of the upper body. No fading, no degumming, safe and perfect exercise in water. - Many health and fitness professionals recommend that water sports be suitable for those who can not exercise comfortably on land, because the buoyancy of water can reduce the pressure on joint bones and muscles.-Pool Exercise Equipment. - Do not use as a flotation device. Suitable for over 14 years old. Specifications: Material: EVA Size: about 28.5cm Features: free assembly and disassembly, easy to carry Package included: 1 Pair * Aquatic Dumbbell Notes: 1. Manual measuring, please allow 1 ~ 3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.