Features: These are not just water dumbbells. They also function excellently as pool exercise weights, providing you with a wide range of aquatic fitness routines for better results. Despite their utility, these dumbbells are lightweight, making them easy to handle and carry around, even for extended workout sessions. Specifications: Material: EVA foam, thicken plastic and PC inner tube Color: blue and white, pink and white, green and white, purple and white, yellow and white, gray and white, lake blue, orange and white Size: about 10.6 x 6 x 6 inches/ 27 x 15 x 15 cm Weight: about 0.28 lb/ 130 g each Package includes: 16 x Water dumbbells Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Do not use as a flotation device.