This practical umbrella base is ideal for your backyard, poolside and other outdoor places. With its concise flat design, this outdoor market umbrella base not only adds charm and elegance to your decor, but can also be placed underneath the table. Moreover, this square base includes 3 coupler to fit 1.37", 1.5" and 1.9" diameter umbrella poles, which is perfect for your daily needs. More options： Dimensions: 40lbs 55lbs