Mondawe 22 Pound Umbrella Base 18" Heavy Duty Patio Umbrella Base Stand for Outdoor, Black

Material:The surface of this round umbrella base is made of HDPE material, which has good wear resistance, electrical insulation, corrosion resistance, toughness and cold resistance, and can be used in various daily environments. Design : With an attractive decorative pattern and this piece adds charm and elegance Durable : Rigorously tested for durability and assembly instructions have been standardized No water or sand injection: This round umbrella base has been injected with concrete inside, eliminating the need for you to inject water or sand Knob: Includes a hand-turn knob for securing the umbrella to the base to sustain the umbrella,which is more stable