Offset Umbrella Base - 2pcs Fan Shaped Bases, each weighting 27 Lbs to keep offset umbrella stable & upright Textured Surface - Elegant decorative pattern for perfectly complementing your patio umbrella Easy to Install & Move - Just place base onto the floor & lock it with metal stand (not included) Durable Construction - Made of resin & beton, strong & durable, does not rust for outdoor use Measuring Tips - Please measure the umbrella pole size to ensure it is within the upright tube diameter range