● Sturdy 4 square plate construction supports your offset patio umbrella stand stably
● Made of high density HDPE material, sun-proof, waterproof and durable
● Filled with sand or water to add additional weight to improve stability in windy conditions
● Applicable to 9 ft and 10 ft offset patio umbrella
● 4 solid metal connecting hooks can firmly connect the board into a whole
● Easy-to-fill spout makes for convenient filling, cleaning, and storage
● Portable handle of each plate for convenient carrying
● Firmly fix the cross bracket and umbrella pole
● Perfect for garden, backyard, porch, poolside, patio, or commercial use