Specification: Color: Black Material: HDPE, Concrete, Metal Dimensions: 17.5" L x 17.5" W x 12.5" H Weight: 21 lbs Compatible Pole Diameter: 1.5 in & 1.9 in Fill Type: Pre-filled cement Assembly Required: Yes Description: Support outdoor shade setups with this cement-filled patio umbrella base designed for patios, decks, porches, gardens, and poolside seating areas. Ideal for everyday outdoor lounging and casual entertaining, it provides steady support for most market umbrellas without requiring water or sand filling. The base is pre-filled with cement, delivering consistent weight for reliable placement. Two included pole adapters support umbrella poles measuring 1.5 inches and 1.9 inches in diameter, while an adjustable tightening knob and internal stabilizer help maintain a secure fit. Constructed from HDPE with concrete and metal components, it is built for outdoor exposure and regular use. A textured rattan-style pattern adds a decorative finish that blends well with outdoor furniture and seating arrangements. Note: Actual product color may slightly vary from the images shown due to lighting conditions during photography and individual monitor or device display settings.