This rolling umbrella base from Outsunny ensures your parasol is always held firmly in place with its large capacity - weighs up to 53lbs when filled with water and 66lbs when filled with sand. Features a filling port for easy fill and clean. The double side knobs can fix your umbrella more stably. Furthermore, it comes with wheels and brakes for easy moving. Combine our umbrella stand with an umbrella and create your own oasis under the shade.