Color: as shown Material: EVA Foam Medium quality EVA dumbbells will not absorb water or chip and super fast dry. Foam Diameter: 150mm / 5.9" DURABILITY Built and crafted from grade foam for maximum resistance. These hand weights are built to last for many seasons POWER FITNESS Our weights dumbbells are perfect for toning and strength training. These dumbbells, includes targeting arms, abs, and lower back and will improve upper body mobility. Strength your upper body as well as your lower back for a total fitness workout 2*Water Dumbbells TO USE Our underwater exercise equipment are designed with a soft padded grip allowing for a great feel and effortless . LESS STRESS Exercise in the gym can be taxing on your bones, joints, and muscles. These dumbbells for pool allow your body to get a great workout without all that extra heavy stress. RECOVERY These dumbbells are a great for someone who is currently rehabbing any upper body ailment. The water dumb bells are a great way to slowly rebuild any injury to full strength. Total Length: 270mm / 10.63" Suitable for swimming pool, spa, fitness exercises,etc Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Meanwhile, please be reminded that due to lighting effects, monitor's brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item. The CHOII aqua dumbbells are crafted from professional grade foam for maximum durability, and resistance. The inner pipe is crafted from strong (non-pvc) components, and is padded with a cushion, for maximum user comfort and grip. Choose from one of our 3 sizes/resistance levels to match your individual needs. Adding the CHOII dumbbells to your pool fitness routine can can strengthen the muscles in your shoulders, arms, chest, back, and core. Aquatic exercises are recommended by many health and fitness professionals for those that cannot exercise comfortably on land, as the buoyancy of the water reduces stress on joints bones and muscles.