CONVENIENT PORTABILITY: Built with 2 wheels in the front and handy grooves in the back for easy gripping, this base effortlessly moves to any area of your backyard or patioHEAVY CAPACITY: Providing stability for most offset umbrellas, the base remains stable even through heavy winds with a 53-liter water capacity and 140-pound sand capacityEASY TO FILL AND DRAIN: Twist off the cap on the top of the base to fill with sand or water, and easily empty it through the spout in the back when neededREMOVABLE CROSS BASE: Comes with a cross base underneath that can be connected to your umbrella pole or disconnected if your umbrella pole already has a cross baseDURABLE CONSTRUCTION: Made of rugged, weather-resistant HDPE plastic with UV stability to prevent cracking and material disintegration; OVERALL DIMENSIONS: 32"(L) x 24"(W) x 6.5"(H); Pole: 2.75"(Dia);Filling Capacity: 53L