This market umbrella stand is recommended for umbrellas with a maximum height of 11.5 ' and pole diameter of 1.25 ", 1.5 ", or 2 ". Also, we included two adjustable knobs to reinforce the pole in place. The bottom base is made of protective HDPE plastic. The top umbrella pole holder is made of steel forgreater strength with a powder coating. Together, they make an all-weather team. Features: Suitable pole size: this market umbrella stand is recommended for umbrellas with a maximum height of 11.5 ft. and pole diameter of 1.25 in., 1.5 in., or 2 in., also, we included 2 adjustable knobs to reinforce the pole in place. Fillable design and portable: our outdoor umbrella stand weighs up to 48 lbs. when filled with water or 64 lbs. when filled with sand, lightweight when empty, it's easy to carry. Outdoor umbrella base: the bottom base is made of protective HDPE plastic, the top umbrella pole holder is made of steel for greater strength with a powder coating. together, they make an all-weather team. Modern pattern: our outdoor umbrella base doesn't just help your umbrella stand up it also acts as an excellent accent piece, a rattan-style whorl of circles adds a decorative touch to your outdoor space. Portable fillable patio umbrella stand info: overall dimensions: 20 " dia x 14.25 " h, note: please measure your umbrella pole in advance to ensure our base can fit well.