Giantex Patio Offset Umbrella Base Stand w/Sand/Water Filled 4-Pieces Base Plates (Round Base)Product Description: This our brand new water filled umbrella base ,a durable base for your patio umbrella. It's constructed of heavy duty HDPE plastic with weather resistant UV protection that prevents color from fading and easy to maintain. It can be filled with 145lbs sand 115lbs water, so that plates provide additional weight make your patio umbrella stand perfectly in windy conditions, You don't need to worry any puff of wind which disturbing