Fitness Applications: The Aquatic 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 Multiple Advantage: The Water Barbells 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 Please Note: Do not use as a flotation device. Suitable for over 14 years old Material: 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 Good for Fitness: Many health and fitness 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 Material: EVA Process: integral molding Size: about 27.5x9 cm/10.83x3.54 inch Features: free assembly and disassembly, easy to carry Notes: 1.Due to the light and screen setting difference, the item's color may be slightly different from the pictures. 2.Please allow slight 1-3cm dimension difference due to different manual measurement. Packing List: 1 Pair of Aquatic Dumbbell Package Including 1 Pair * Aquatic Dumbbell