Fill this umbrella base will bricks, sand, or a combination of both (not included) for up to 125 lbs if Stability. Designed for freestanding umbrella use - Not for use with cantilevered umbrellas. Commercial quality bronze finish heavy duty patio umbrella base with locking wheels Note - Not for use with cantilevered (off-set)umbrellas High density Polyethylene Bronze Finish Easy to move Rolls easily on 4 high-quality polyurethane non-marking wheels (2 are locking) No tipping required to move Avoids heavy lifting Up to 125 lbs. of stability Dimensions - 22 x 22-in. square rolling umbrella stand Weight - 23 lbs