Features: - Fill with 176 lbs sand or 198 lbs wet sand for stability - This centre pole umbrella base fits cantilever, double-headed and standard umbrellas - Includes an adapter for 1.89" poles secured tightly with a knob screw - Features a stable, powder-coated metal frame and a 600D Oxford fabric cover - A sleek black cover conceals the two sandbags and base for a tidy look - The detachable design allows for compact storage in your garage or shed - Assembly required Specification: - Color: Black - Material: Metal, Plastic, 600D Oxford Cloth - Overall Dimensions: 30.7" L x 30.7" W x 15.7" H - Bottom Base Size: 30.7" L x 30.7" W x 5.9" H - Pole Size: 2.1" Dia. x 13.8" H - Weight After Filling: 176 lbs. (sand) - Fits Umbrella Pole: 1.89" Dia. Package Includes: - 1 x Umbrella Base - 1 x Manual [] mainColor : Black mainMaterial : Sheet Metal