This Patio Umbrella Base is made of high quality durable black plastic. When the umbrella base is filled with a mixture of sand and water, it can hold up to 180 lbs. Umbrella Base is made of durable Hdpe plastic that is fade and weather resistant. This base fits most patio umbrellas and can be used with a patio table. Using this product can make your outdoor umbrella more stable and provide an elegant and beautiful outdoor environment.