Specification:Color: BlackMaterial: HDPE, MetalDimensions: 17.5" L x 16" W x 11" HWater Fill Capacity: 29 lbsSand Fill Capacity: 40 lbsMixed Fill Capacity: 49 lbsNet Weight: 4.5 lbsCompatible Pole Diameter: 1.5 in & 1.9 inCompatible Umbrella Size: Up to 8 ft half umbrellaAssembly Required: YesDescription:Support compact outdoor shade areas with this fillable half umbrella base designed for balconies, patios, porches, and small outdoor corners. Ideal for half or wall-positioned umbrellas up to 8 ft in diameter, it features a built-in reservoir that can be filled with up to 29 lbs of water, 40 lbs of sand, or up to 49 lbs of mixed material for improved placement stability. The top-fill opening allows quick refilling and draining when needed. Two included pole adapters support umbrella poles measuring 1.5 inches and 1.9 inches in diameter, while an adjustable tightening knob helps reduce movement and keeps the pole aligned. Constructed with HDPE and a metal support tube, the structure provides internal reinforcement for upright positioning. Lightweight when empty, the base includes a carry handle for easier repositioning along walls, railings, or tight outdoor spaces. Tool-free assembly allows quick setup for seasonal or everyday outdoor use. Note: Actual product color may slightly vary from the images shown due to lighting conditions during photography and individual monitor or device display settings.