This refillable outdoor umbrella stand, made of round plastic, is a versatile umbrella stand for outdoor, patio, garden, deck and beach use. With a large capacity of 46 lbs. of water or 57 lbs. of sand, the umbrella seat ensures that your parasol is stable and will not fall over. The umbrella seat fits umbrella poles up to 38mm in diameter for compatibility and easy installation. Made of weather-resistant material, this plastic umbrella base is durable, UV resistant and will keep its color vibrant even after extended outdoor use. Choose this umbrella base for a safe and secure shade while enjoying your time outdoors. Color: Black. Material: Steel.