Surge BOSU 40 Water Filled Adjustable Weight Tube, Home Gym Equipment, 34″ Price: $106.99 (as of 16/04/2023 01:35 PST- Details)

34 inch long and weighs 40lbs when fully filled with water
Two soft grip handles, two end cap handles, and one long centered handle and end cap grips allow for a wide range of motion
Hydro-inertia is the utilization of water to create an unstable resistance that increases core strength and stability during exercise. Trains stabilizer muscles, great for injury rehab, and visual feedback on form/positioning