Secure your patio umbrella with confidence using our durable, water-filled umbrella base. Made from tough, weather-resistant plastic and reinforced with a galvanized, rustproof steel pipe, this base is built to withstand the elements without tipping or corroding. An adjustable knob keeps umbrella poles firmly in place, even in windy conditions. It includes two steel tubes to fit most standard market umbrellas with pole diameters from 1.5" (38mm) to 1.9" (48mm), offering maximum versatility. When not in use, the steel tube can be removed for easy, space-saving storage. Simple to fill and drain, this base delivers reliable, non-permanent support—perfect for outdoor promotions, cafés, trade shows, resorts, and more.