Specifications Place of Origin China Main Color Black Main Material Plastic Dangerous Goods #dangerFlag# Dimensions Weights Assembled Length (in.) Not Applicable Assembled Width (in.) Not Applicable Assembled Height (in.) Not Applicable Weight (lbs) Not Applicable Product Features Filled with Water/Sand: This round umbrella base can be weighed with 42 pounds(each piece) of sand or 11.3 liters of water(each piece). You can also mix some water and sand to increase weight STURDY 4-PLATE DESIGN: Four-Piece Detachable Square Umbrella Base Weight Plates, Perfect for Most Types of Cantilever Offset Patio Umbrellas, Providing Extremely Stable Support. (Note: Crossbar base not included) EASY FILL WATERPROOF SEAL: Each plate is built with a fill spout and a twist cap to create a water-tight seal for effortlessly filling the base with water or sand DURABLE WEATHER RESISTANT: Made from PE plastic, the base exhibits exceptional durability and crack resistance, preventing degradation due to exposure to sunlight, moisture, or other outdoor elements. DURABLE WEATHER RESISTANT: Made from PE plastic, the base exhibits exceptional durability and crack resistance, preventing degradation due to exposure to sunlight, moisture, or other outdoor elements. Description